Question: Which was performed first in history, Palestrina or Il matrimonio segreto?
Sentence (from "Sweetwater (band)"): They were the act scheduled to open the Woodstock Festival in 1969; however, due to being stopped by the police on their way to the festival, folksinger Richie Havens' trio (Daniel Ben Zebulon, percussion, Paul "Deano" Williams, guitar, backing vocals) performed first.
Relevant evidence: No