Who was the first three band to appear at Woodstock?

The first three bands to perform at Woodstock in 1969 were Richie Havens, Swami Satchidananda, and Sweetwater. Richie Havens opened the festival on Friday, August 15, with an impromptu acoustic set. He was followed by Swami Satchidananda, who delivered a spiritual address, and then Sweetwater took the stage. These performances set the tone for the iconic music festival.