Do Re Mi Fa Sol La Ti Do Sol Do! Now children, Do Re Mi Fa Sol and so on are natur'ly the tunes we use to build a song once you have these notes in your head you can sing a million diff'rent tune by mixin' them up, like this: Sol Do La Fa Mi Do Re Can you do that? CHILDREN: Sol Do La Fa Mi Do Re MARIA: Sol Do La Ti Do Re Do CHILDREN: Sol Do La vjKU.