About Dave "Baby" Cortez
David Cortez Clowney, known by the stage name Dave "Baby" Cortez, was an American pop and R&B organist and pianist, best known for his 1959 hit, "The Happy Organ". David Cortez Clowney (August 13, 1938 – May 31, 2022), known by the stage name Dave "Baby" Cortez, was an American pop and R&B organist and pianist, best known for his 1959 hit, "The Happy Organ". The record, crediting Clowney as Dave "Baby" Cortez, was the first instrumental No. 1 on Billboard magazine's Hot 100 chart. Clowney made his first record in 1956 under his own name, and also sang with two doo-wop groups, the Pearls and the Valentines, in the mid-1950s. Clowney was scheduled to record his original song "The Happy Organ" during a 1959 recording session.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.