Spirit was an American rock band founded in 1967 and based in Los Angeles. Their most commercially successful single in the United States was "I Got a Line on You". They were also known for their albums, including their self-titled debut album, The Family That Plays Together, Clear, and Twelve Dreams of Dr. Sardonicus.

Rising Sons was an American, Los Angeles, California-based blues rock and folk music band, which was founded in 1965. Their initial career was short-lived, but the group found retrospective fame for launching the careers of singer Taj Mahal and guitarist Ry Cooder.