diff --git a/musicdb-filldb/Cargo.toml b/musicdb-filldb/Cargo.toml
new file mode 100755
index 0000000..46f201a
--- /dev/null
+++ b/musicdb-filldb/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "musicdb-filldb"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+id3 = "1.7.0"
+musicdb-lib = { version = "0.1.0", path = "../musicdb-lib" }
diff --git a/musicdb-filldb/dbfile b/musicdb-filldb/dbfile
new file mode 100755
index 0000000..b1665b6
Binary files /dev/null and b/musicdb-filldb/dbfile differ
diff --git a/musicdb-filldb/src/main.rs b/musicdb-filldb/src/main.rs
new file mode 100755
index 0000000..3735595
--- /dev/null
+++ b/musicdb-filldb/src/main.rs
@@ -0,0 +1,202 @@
+use std::{
+    collections::{HashMap, HashSet},
+    fs::{self, FileType},
+    io::Write,
+    ops::IndexMut,
+    path::{Path, PathBuf},
+    sync::{Arc, Mutex},
+};
+
+use id3::TagLike;
+use musicdb_lib::data::{
+    album::{self, Album},
+    artist::Artist,
+    database::{Cover, Database},
+    song::Song,
+    DatabaseLocation, GeneralData,
+};
+
+fn main() {
+    // arg parsing
+    let lib_dir = if let Some(arg) = std::env::args().nth(1) {
+        arg
+    } else {
+        eprintln!("usage: musicdb-filldb <library root>");
+        std::process::exit(1);
+    };
+    eprintln!("Library: {lib_dir}. press enter to start. result will be saved in 'dbfile'.");
+    std::io::stdin().read_line(&mut String::new()).unwrap();
+    // start
+    eprintln!("finding files...");
+    let files = get_all_files_in_dir(&lib_dir);
+    let files_count = files.len();
+    eprintln!("found {files_count} files, reading metadata...");
+    let mut songs = Vec::new();
+    for (i, file) in files.into_iter().enumerate() {
+        let mut newline = OnceNewline::new();
+        eprint!("\r{}/{}", i + 1, files_count);
+        _ = std::io::stderr().flush();
+        if let Some("mp3") = file.extension().and_then(|ext_os| ext_os.to_str()) {
+            match id3::Tag::read_from_path(&file) {
+                Err(e) => {
+                    newline.now();
+                    eprintln!("[{file:?}] error reading id3 tag: {e}");
+                }
+                Ok(tag) => songs.push((file, tag)),
+            }
+        }
+    }
+    eprintln!("\nloaded metadata of {} files.", songs.len());
+    let mut database = Database::new_empty(PathBuf::from("dbfile"), PathBuf::from(&lib_dir));
+    eprintln!("searching for artists...");
+    let mut artists = HashMap::new();
+    for song in songs {
+        let (artist_id, album_id) =
+            if let Some(artist) = song.1.album_artist().or_else(|| song.1.artist()) {
+                let artist_id = if !artists.contains_key(artist) {
+                    let artist_id = database.add_artist_new(Artist {
+                        id: 0,
+                        name: artist.to_string(),
+                        cover: None,
+                        albums: vec![],
+                        singles: vec![],
+                        general: GeneralData::default(),
+                    });
+                    artists.insert(artist.to_string(), (artist_id, HashMap::new()));
+                    eprintln!("Artist #{artist_id}: {artist}");
+                    artist_id
+                } else {
+                    artists.get(artist).unwrap().0
+                };
+                if let Some(album) = song.1.album() {
+                    let (_, albums) = artists.get_mut(artist).unwrap();
+                    let album_id = if !albums.contains_key(album) {
+                        let album_id = database.add_album_new(Album {
+                            id: 0,
+                            artist: Some(artist_id),
+                            name: album.to_string(),
+                            cover: None,
+                            songs: vec![],
+                            general: GeneralData::default(),
+                        });
+                        albums.insert(
+                            album.to_string(),
+                            (album_id, song.0.parent().map(|dir| dir.to_path_buf())),
+                        );
+                        eprintln!("Album #{album_id}: {album}");
+                        album_id
+                    } else {
+                        let album = albums.get_mut(album).unwrap();
+                        if album
+                            .1
+                            .as_ref()
+                            .is_some_and(|dir| Some(dir.as_path()) != song.0.parent())
+                        {
+                            // album directory is inconsistent
+                            album.1 = None;
+                        }
+                        album.0
+                    };
+                    (Some(artist_id), Some(album_id))
+                } else {
+                    (Some(artist_id), None)
+                }
+            } else {
+                (None, None)
+            };
+        let path = song.0.strip_prefix(&lib_dir).unwrap();
+        let title = song
+            .1
+            .title()
+            .map(|title| title.to_string())
+            .unwrap_or_else(|| song.0.file_stem().unwrap().to_string_lossy().into_owned());
+        let song_id = database.add_song_new(Song {
+            id: 0,
+            title: title.clone(),
+            location: DatabaseLocation {
+                rel_path: path.to_path_buf(),
+            },
+            album: album_id,
+            artist: artist_id,
+            more_artists: vec![],
+            cover: None,
+            general: GeneralData::default(),
+            cached_data: Arc::new(Mutex::new(None)),
+        });
+        eprintln!("Song #{song_id}: \"{title}\" @ {path:?}");
+    }
+    eprintln!("searching for covers...");
+    for (artist, (_artist_id, albums)) in &artists {
+        for (album, (album_id, album_dir)) in albums {
+            if let Some(album_dir) = album_dir {
+                let mut cover = None;
+                if let Ok(files) = fs::read_dir(album_dir) {
+                    for file in files {
+                        if let Ok(file) = file {
+                            if let Ok(metadata) = file.metadata() {
+                                if metadata.is_file() {
+                                    let path = file.path();
+                                    if matches!(
+                                        path.extension().and_then(|v| v.to_str()),
+                                        Some("png" | "jpg" | "jpeg")
+                                    ) {
+                                        if cover.is_none()
+                                            || cover
+                                                .as_ref()
+                                                .is_some_and(|(_, size)| *size < metadata.len())
+                                        {
+                                            cover = Some((path, metadata.len()));
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+                if let Some((path, _)) = cover {
+                    let rel_path = path.strip_prefix(&lib_dir).unwrap().to_path_buf();
+                    let cover_id = database.add_cover_new(Cover {
+                        location: DatabaseLocation {
+                            rel_path: rel_path.clone(),
+                        },
+                        data: Arc::new(Mutex::new((false, None))),
+                    });
+                    eprintln!("Cover #{cover_id}: {artist} - {album} -> {rel_path:?}");
+                    database.albums_mut().get_mut(album_id).unwrap().cover = Some(cover_id);
+                }
+            }
+        }
+    }
+    eprintln!("saving dbfile...");
+    database.save_database(None).unwrap();
+    eprintln!("done!");
+}
+
+fn get_all_files_in_dir(dir: impl AsRef<Path>) -> Vec<PathBuf> {
+    let mut files = Vec::new();
+    _ = all_files_in_dir(&dir, &mut files);
+    files
+}
+fn all_files_in_dir(dir: impl AsRef<Path>, vec: &mut Vec<PathBuf>) -> Result<(), std::io::Error> {
+    for path in fs::read_dir(dir)?
+        .filter_map(|possible_entry| possible_entry.ok())
+        .map(|entry| entry.path())
+    {
+        if all_files_in_dir(&path, vec).is_err() {
+            vec.push(path);
+        }
+    }
+    Ok(())
+}
+
+struct OnceNewline(bool);
+impl OnceNewline {
+    pub fn new() -> Self {
+        Self(true)
+    }
+    pub fn now(&mut self) {
+        if std::mem::replace(&mut self.0, false) {
+            eprintln!();
+        }
+    }
+}
diff --git a/musicdb-lib/src/server/get.rs b/musicdb-lib/src/server/get.rs
new file mode 100755
index 0000000..5eacc46
--- /dev/null
+++ b/musicdb-lib/src/server/get.rs
@@ -0,0 +1,113 @@
+use std::{
+    io::BufRead,
+    io::{BufReader, Read, Write},
+    sync::{Arc, Mutex},
+};
+
+use crate::data::{database::Database, CoverId};
+
+pub struct Client<T: Write + Read>(BufReader<T>);
+impl<T: Write + Read> Client<T> {
+    pub fn new(mut con: BufReader<T>) -> std::io::Result<Self> {
+        writeln!(con.get_mut(), "get")?;
+        Ok(Self(con))
+    }
+    pub fn cover_bytes(&mut self, id: CoverId) -> Result<Result<Vec<u8>, String>, std::io::Error> {
+        writeln!(
+            self.0.get_mut(),
+            "{}",
+            con_get_encode_string(&format!("cover-bytes\n{id}"))
+        )?;
+        let mut response = String::new();
+        self.0.read_line(&mut response)?;
+        let response = con_get_decode_line(&response);
+        if response.starts_with("len: ") {
+            if let Ok(len) = response[4..].trim().parse() {
+                let mut bytes = vec![0; len];
+                self.0.read_exact(&mut bytes)?;
+                Ok(Ok(bytes))
+            } else {
+                Ok(Err(response))
+            }
+        } else {
+            Ok(Err(response))
+        }
+    }
+}
+
+pub fn handle_one_connection_as_get(
+    db: Arc<Mutex<Database>>,
+    connection: &mut BufReader<impl Read + Write>,
+) -> Result<(), std::io::Error> {
+    let mut line = String::new();
+    loop {
+        line.clear();
+        if connection.read_line(&mut line).is_ok() {
+            if line.is_empty() {
+                return Ok(());
+            }
+            let request = con_get_decode_line(&line);
+            let mut request = request.lines();
+            if let Some(req) = request.next() {
+                match req {
+                    "cover-bytes" => {
+                        if let Some(cover) = request
+                            .next()
+                            .and_then(|id| id.parse().ok())
+                            .and_then(|id| db.lock().unwrap().covers().get(&id).cloned())
+                        {
+                            if let Some(v) = cover.get_bytes(
+                                |p| db.lock().unwrap().get_path(p),
+                                |bytes| {
+                                    writeln!(connection.get_mut(), "len: {}", bytes.len())?;
+                                    connection.get_mut().write_all(bytes)?;
+                                    Ok::<(), std::io::Error>(())
+                                },
+                            ) {
+                                v?;
+                            } else {
+                                writeln!(connection.get_mut(), "no data")?;
+                            }
+                        } else {
+                            writeln!(connection.get_mut(), "no cover")?;
+                        }
+                    }
+                    _ => {}
+                }
+            }
+        } else {
+            return Ok(());
+        }
+    }
+}
+
+pub fn con_get_decode_line(line: &str) -> String {
+    let mut o = String::new();
+    let mut chars = line.chars();
+    loop {
+        match chars.next() {
+            Some('\\') => match chars.next() {
+                Some('n') => o.push('\n'),
+                Some('r') => o.push('\r'),
+                Some('\\') => o.push('\\'),
+                Some(ch) => o.push(ch),
+                None => break,
+            },
+            Some(ch) => o.push(ch),
+            None => break,
+        }
+    }
+    o
+}
+pub fn con_get_encode_string(line: &str) -> String {
+    let mut o = String::new();
+    for ch in line.chars() {
+        match ch {
+            '\\' => o.push_str("\\\\"),
+            '\n' => o.push_str("\\n"),
+            '\r' => o.push_str("\\r"),
+            _ => o.push(ch),
+        }
+    }
+    o
+}
diff --git a/musicdb-server/assets/queue_loop.html b/musicdb-server/assets/queue_loop.html
new file mode 100755
index 0000000..d64827f
--- /dev/null
+++ b/musicdb-server/assets/queue_loop.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small>repeat \:total times</small>
+</div>
+\:inner
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_loop_current.html b/musicdb-server/assets/queue_loop_current.html
new file mode 100755
index 0000000..f4a4657
--- /dev/null
+++ b/musicdb-server/assets/queue_loop_current.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small><b>repeat \:total times</b></small>
+</div>
+\:inner
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_loopinf.html b/musicdb-server/assets/queue_loopinf.html
new file mode 100755
index 0000000..6bc1ecf
--- /dev/null
+++ b/musicdb-server/assets/queue_loopinf.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small>repeat forever</small>
+</div>
+\:inner
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_loopinf_current.html b/musicdb-server/assets/queue_loopinf_current.html
new file mode 100755
index 0000000..ee389e7
--- /dev/null
+++ b/musicdb-server/assets/queue_loopinf_current.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small><b>repeat forever</b></small>
+</div>
+\:inner
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_random.html b/musicdb-server/assets/queue_random.html
new file mode 100755
index 0000000..85066ce
--- /dev/null
+++ b/musicdb-server/assets/queue_random.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small>random</small>
+</div>
+\:content
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_random_current.html b/musicdb-server/assets/queue_random_current.html
new file mode 100755
index 0000000..a108899
--- /dev/null
+++ b/musicdb-server/assets/queue_random_current.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small><b>random</b></small>
+</div>
+\:content
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_shuffle.html b/musicdb-server/assets/queue_shuffle.html
new file mode 100755
index 0000000..a59f5cb
--- /dev/null
+++ b/musicdb-server/assets/queue_shuffle.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small>shuffle</small>
+</div>
+\:content
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>
diff --git a/musicdb-server/assets/queue_shuffle_current.html b/musicdb-server/assets/queue_shuffle_current.html
new file mode 100755
index 0000000..0ae331c
--- /dev/null
+++ b/musicdb-server/assets/queue_shuffle_current.html
@@ -0,0 +1,10 @@
+<div>
+  <small>&gt;&gt;</small>
+  <button hx-post="/queue/goto/\:path" hx-swap="none">&#x23F5;</button>
+  <small><b>shuffle</b></small>
+</div>
+\:content
+<div>
+  <small>&lt;&lt;</small>
+  <button hx-post="/queue/remove/\:path" hx-swap="none">x</button>
+</div>