Question: In music, an ostinato, is a motif or phrase that persistently repeats in the same musical voice, usually at the same pitch, well-known ostinato-based pieces include both classical compositions such as Donna Summer, was an American singer, songwriter, and painter, and she gained prominence during the disco era of which late era?
Sentence (from "Pattie Brooks"): In the next decade she became a sought-after backing singer, appearing on the Bobby Darin Show and touring with, among others Helen Reddy.
Relevant evidence: No