Bobby Day, born Robert James Byrd, was an American rock and roll and R&B singer-songwriter active in the late 1950s and early 1960s. Known for his distinct, upbeat sound, Day's music was characterized by catchy hooks, energetic rhythms, and his smooth, expressive vocals. He is best known for his hit single "Rockin' Robin", which has been covered by numerous artists and remains a significant work in the rock and roll genre. Day's contributions to music, particularly in the early development of rock and roll, have solidified his place in music history.