Christmas music:

We Wish You a Merry Christmas

March from The Nutcracker

These songs use only B:

Walk Like a Mummy

B Funky

This song only uses A:

A is for Africa

This song only uses G:

Just G

These songs use B A G:

Preparing for Hot Cross Buns

Hot Cross Buns

Au Clair de la Lune

These songs use B A G C:

Miss Mary Mack