Rosemary Butler is an American singer. She began her career playing bass and singing in an all-girl band named the Ladybirds while attending Fullerton Union High School in Fullerton, Ca. The band appeared on several Los Angeles area television shows before opening for the Rolling Stones in 1964. She then joined all-female hard rock band Birtha who released two albums for Dunhill Records. After they split in 1973, she became a popular back-up singer in the late 1970s and early '80s. Her vocals were featured on Bonnie Raitt's album, Sweet Forgiveness, on songs "Gamblin' Man", "Runaway", "Sweet Forgiveness", and "Two Lives."
She achieved her greatest visibility and success as a solo artist in Japan in the early 1980s, contributing songs such as "Riding High" to the movie Dirty Hero (汚れた英雄) and "Children of the Light" (光の天使) to the anime film Harmagedon. She was also Co-Contractor of the 100 voice choir on Neil Young's album Living With War. She cofounded "The National In Choir," an LA-based volunteer holiday choir with singer/lyricist Deborah Pearl.