Sol-fa for happy birthday to you?

Answer 1

sol sol la sol do ti

sol sol la sol re do

sol sol SOL (higher) mi do ti la

fa fa mi do re do.

You should always try to end on Do, especially when teaching young people. Since the piece is diatonic anyhow, there is no need to add in accidentals.

Answer 2

So so la so do ti

So so la so re do

So so so mi do ti la

Fa fa mi do re do

Answer 3

Yes

Answer 4

Yes

Answer 5

Yeah