Bobby Caldwell is an American singer-songwriter known for his smooth blend of pop, jazz, and R&B. He gained prominence in the late 1970s with his hit single "What You Won't Do for Love", which showcased his soulful vocal style and ability to craft catchy, introspective lyrics. Known for his versatility, Caldwell has seamlessly transitioned between genres throughout his career, influencing a range of artists from contemporary jazz musicians to hip-hop producers. His music continues to be sampled by many artists, demonstrating his enduring impact on popular music.