Each letter is a key on the on-screen piano below. Lowercase letters are white keys, capital letters are black keys. Open the piano and press them in order — no sheet music needed.
G G G D E E D · B B A A G · D G G G D E E D · B B A A GOld MacDonald is a five-note song with two repeated phrases and one small dip in the middle. Its real value for a beginner is the repeated-note opening: three identical notes in a row expose uneven timing and muddy tone faster than any exercise. Play it and your attack cleans up.
G G G D E E D, then B B A A G, then the same two phrases with a D-G opening. In letters: o o o y u u y, a a p p o, y o o o y u u y, a a p p o.
Five — G, A, B, D and E in the version here. No black keys, so it stays on the white keys from start to finish.