Happy Birthday to bass guitarist and vocalist Michael Henderson (born July 7, 1951)... known for his bass playing with Miles Davis in the early 1970s. After almost seven years with Davis, Henderson focused on songwriting and singing in a solo career that produced many hit songs and albums for Arista Records. Although known primarily for ballads, he was an influential funk player whose riffs and songs have been widely covered. His solo recordings have sold well over one million albums.