Recyclers halt drowning music.
When playing match with a friend, he kept trying to enter the game, but the game kept putting him back into spectator mode.
If you specify a reason when adding someone to the banlist via the ban command in-game, it also adds another entry of the same IP with the reason "NA".
If you modify ban.txt out-of-game, it will not save when you open SRB2.
If you ban someone in-game, it doesn't save it to ban.txt until after you close SRB2.
If you get a speed shoe/invincibility and then grab an air bubble while you're low on air, the music goes back to the stage music instead of the speed shoe/invincibility music.