To do these you need a touch-tone telephone and a finger! Duh!
Here We Go Round the Mulberry Bush
4 4 4 2 2 6 6 2 4
4 8 8 8 8 6 2 4 4 4
4 4 4 2 4 4 8 8 4
4 8 8 6 8 4 4
Mary Had A Little Lamb
6 0 4 0 6 6 6 2 2 2 6 6 6
6 0 4 0 6 6
6 8 8 6 8 4
More coming later!