decided on id3

notes.md

@@ -95,3 +95,15 @@ These destinctions are sorted from top to bottom.
 [Wikipedia](https://en.wikipedia.org/wiki/Audio_codec)
 
 The audio codec is simply software/hardware, to convert audio from an [audio coding format](#audio-coding-format) to playable audio and vice versa.
+
+# ID3
+
+[ID3](https://en.wikipedia.org/wiki/ID3) is a metadata container format for audio. I am going for [ID3v2](https://en.wikipedia.org/wiki/ID3#ID3v2)
+
+An Application can define its own types of frames.
+
+There are standard frames for containing cover art, BPM, copyright and license, lyrics, and arbitrary text and URL data, as well as other things.
+
+Version 2.4 of the specification prescribes that all text fields (the fields that start with a T, except for TXXX) can contain multiple values separated by a null character. The null character varies by [character encoding](https://en.wikipedia.org/wiki/Character_encoding). 
+
+[id3 fields docs](https://docs.puddletag.net/source/id3.html)

src/music_kraken/static_files/new_db.sql

@@ -77,3 +77,11 @@ CREATE TABLE AlbumArtist
       FOREIGN KEY(album_id) REFERENCES Album(id),
       FOREIGN KEY(artist_id) REFERENCES Artist(id)
 );
+
+CREATE TABLE id3
+(
+    frame       TEXT,       -- 4 capital leters like TXXX
+    value       TEXT,
+    song_id     BIGINT,
+    FOREIGN KEY(song_id) REFERENCES Song(id)
+);