Bobby Caldwell, singer of 'What You Won't Do for Love,' passes away at 71.

Bobby Caldwell, the R&B singer and songwriter known for his hit song "What You Won't Do for Love," has died at the age of 71. The song became a career-defining hit for Caldwell, who also wrote it, and was covered by artists such as Boyz II Men and Michael Bolton, and sampled by Tupac Shakur. Caldwell's music was also sampled by hip-hop artists including The Notorious B.I.G., Common, Lil Nas X, and Chance the Rapper. Caldwell was a multi-instrumentalist who began performing professionally at 17 and got his break playing guitar in Little Richard's band in the early 1970s.