The Happies Lyrics Follow

The Silly Song also known as The Dwarfs' Yodel Song is a song from Walt Disney's 1937 animated film Snow White and the Seven Dwarfs sung by Otis Harlan, Billy Gilbert, Pinto Colvig, Roy Atwell, and Scotty Mattraw. This features an instrument septet. The dwarfs yodel in this song. The melody is taken from the Irish folk song "Peggy Lettermore".
Sleepy: clarinet-like wind instrument, similar to a tarogato or soprano saxophone in sound, shaped like a fish
Grumpy: finely carved organ
Dopey: drum kit
Sneezy: lute
Bashful: concertina
Doc: double bass-like instrument called a swanette; also Sneezy's lute.
Happy: yodeler; also Doc's swannette and Dopey's drum kit at the end.

Source: Wikipedia