Raymond Daniel "Ray" Manzarek, Jr. was an American musician, singer, producer, film director, and author, best known as a member of The Doors from 1965 to 1973, which he co-founded with singer and lyricist Jim Morrison. Manzarek was notable for performing on a keyboard bass during many live shows and some recordings, taking on a role usually filled by a bass guitar player. He recorded on every track of all eight Doors studio albums, and was inducted into the Rock and Roll Hall of Fame in 1993. He was a co-founding member of Nite City from 1977 to 1978, and of Manzarek–Krieger from 2001 until his death in 2013.
Madonna Louise Ciccone is an American singer, songwriter, actress, and businesswoman. Referred to as the "Queen of Pop" since the 1980s, Madonna is known for pushing the boundaries of lyrical content in mainstream popular music, as well as visual imagery in music videos and on stage. She has also frequently reinvented both her music and image while maintaining autonomy within the recording industry. Besides sparking controversy, her works have been praised by music critics. Madonna is often cited as an influence by other artists.