Mildred and Patty Hill, 1893. Easy level, 4 phrases, free with an account.
G G A G Chigh B
Low means below middle C. High means the C above middle C or higher.
Happy Birthday, Mildred and Patty Hill, 1893
In Notley Piano you get the full sheet music, and the next key lights up and waits for you, phrase by phrase. Happy Birthday is free with an account.