"Sunny" was recorded in New York City, after demos were made with the record producer Jerry Ross. Released as a single, it reached #3 on the R&B charts, # 2 on the Billboard Hot 100, # 12 in the UK, sold over one million copies, and was awarded a gold disc. When Hebb toured with The Beatles in 1966 his "Sunny" was as well received as any Beatles tune, as evidenced by tapes of the concerts. BMI rated "Sunny" number 25 in its "Top 100 songs of the century.