I. Musical instruments
A. Woodwinds
1.
B. Brass
C. Strings
D. Percussion
1. Drums
a. Bass
II. Nature
A. Wind
B. Running water
C. Surf/tides
D. Storms
1. Rain
2. Lightning
3. Thunder
4. Tornado/hurricane wind
E. Earthquake
F. Treefalls
G. Calving glaciers
H. Landslide
I. Fire
1. Crackling (small)
2. Roaring (big, forest fire)
III. Animals
A. Horses
1. Neighs
2. Clopping hooves
B. Cats
1. Meows
2. Hissing
3. Purring
4. Yowling
5. Raaaaaaaaeeeerrrrrrrrrrrr!
IV. Cars & bikes
A. Engines
1. Revving
2. Idling
B. Tires squealing
C. Crashes
D. Horns
V. Aircraft
A. Light planes
B. Helicopters
C. Jets
VI. Weapons
A. Guns
1. Automatic
2. Single shot
B. Cannons
C. Explosions
1. Incendiary
2. Concussive
VII. Cooking
A. Sizzles
1. Deep fryer
2. Pan
B. Running faucet
C. Boiling
D. Microwave
E. Popcorn popping
F. Chopping
G. Teapot whistle
IX. People
A. Babies
1. Crying
2. googoo gaga
3. Laughing
B. Body functions
1. Sneezes
2. Coughs
3. Yawns
4. Farts
C. Screams
D. Singing
E. Footsteps
X. Household
A. Doors
1. Sqeaking
2. Slamming
3. Doorbells
B. Floorboards squeaking
C. Phonerings
D.