All the following songs can be played on a touch tone telephone. Commas are pauses and hyphens are held notes.

Telephone Songs
Mary Had A Little Lamb
3212333, 222, 399, 3212333322321 or
3212333, 222, 133, 3212333322321

Jingle Bells
333, 333 39123, 666-663333322329, 333, 333, 39123, 666-6633, 399621

Frere Jacques
1231, 1231, 369, 369, 9*9631, 9*9631, 111, 111

Olympic Fanfare
3-9-91231, 2222-32112312, 3-9-91231, 2222-32112321

The Butterfly Song
963, 23621, 3693236236932362, 963, 23621

Happy Birthday
112, 163, 112, 196, 110, 8521, 008, 121