Super Mario Kart

[Iceman404]

Well, I'm not at home atm, on my Android.
What I can think of from the top of my head:

5th place and lower Poof after finishing.
When GAME OVER sign falls down and bounces a bit.

Menu highlighting
When an option is selected
Hopping
Driving on dirt
Drifting regular
Drifting on ghost planks
Drifting on castle bricks

Firing an item
Two items colliding
The raw BAM sound
The raw spinout sound
The raw dizzy after hit sound
CPU getting hit

X -Bowser/Donkey Kong Jr. Engines
X -Mario/Luigi Engines
X -Toad/Koopa Engines
X -Yoshi/Princess Engines

Bowser passing a player
Donkey Kong Jr passing a player
Mario, Luigi, Princess, Toad, and Koopa passing a player
Yoshi passing a player

Coin collected
Item roll
Item roll beeping
Shroom boost

Lakitu reverse
Lakitu bringing you back
Lakitu start light beeps

Underwater blub blub
Off-road driving
Monty Mole strangling player
Wall bump
Shell to wall bump

Finished race whistle
Hitting giant cheep cheep with cork.
Congratulations zoom in
Trophy bouncing.

Landing in lava
Falling off
CPU starpower
Lightning effect
Lightning mini melody
Shrinking by poison mushroom
Growing from small

You can cheat to disable music by getting player two to spam the pause button extremely fast over and over. Do it quick enough consecutively and the music will miss its chance to resume.