Entering the level select screen will read the rated.json file to determine which are rated tracks. It'll also log the shortname of rated tracks you don't have.
v1.0.91
Remove search by long name for TC 1.095
v1.0.9
Delete button changes, remove #1 star for TC 1.09
v1.0.8
Save last played song in config. Thanks @Electrostats!
v1.0.7
Max score changes for TC 1.0881
v1.0.6
Fix alignment issues for Trombone Champ 1.087
v1.0.51
Fix bug in calculating max score
v1.0.5
Ability to delete all highscores of a song
v1.0.4
Ability to delete highscores individually
Fix bug in not being able to search by "Z"
Fix sometimes bug when exiting the level select with stuff filtered out, coming back in, unfiltering, then selecting something near the end of the list
v1.0.3
Typing a character (A-Z, 0-9) in track select will hop to the next track whose short name starts with that character
v1.0.2
Fix for Trombone Champ 1.085
v1.0.0
Ability to filter by default/custom, played/unplayed, S-ranked/non-S-ranked tracks
Saves your sort and filter configuration to <TromboneChampDir>/BepInEx/config/SongOrganizer.cfg