No one in Anglo-American pop does it better. Cash is the Billie Holiday of country singers. Her translucent voice projects such resilient strength that the listener's reaction is not pity but gratitude for the confidence.
Released as a single, "Sunny" reached #3 on the R&B charts, #2 on the Billboard Hot 100, and #12 in the UK. When Hebb toured with The Beatles in 1966 his "Sunny" was as well received as any Beatles tune. BMI rated "Sunny" number 25 in its "Top 100 Songs of the Century".