Dave "Baby" Cortez, born David Cortez Clowney in 1938, is an American rhythm and blues musician known for his instrumental hits. His style blends funk, soul, and R&B, with his organ playing being a distinctive element of his music. Cortez is most recognized for his hits "The Happy Organ" and "Rinky Dink," both of which topped the Billboard R&B charts. His work, particularly "The Happy Organ," is historically significant as it was the first instrumental song to reach number one on the Billboard Hot 100 chart.