[Answer] Who took the stage first to officially open the Woodstock Festival in 1969?

Step 1 : Introduction to the question "Who took the stage first to officially open the Woodstock Festival in 1969?"

...Richie Havens was a musician that towered above the rest during his career, literally and figuratively. At six-and-a-half feet tall, Havens was hard to miss. When on stage, his open-tuned guitar, his rhythmic style and his gravel-voice sound that connected folk, blues and gospel set him above the rest. He was a favorite in the folk music scene of the 1960s and a perfect act to begin the iconic Woodstock Festival of 1969. Havens would later describe his arrival at the Woodstock grounds by helicopter as, "awesome, like double Times Square on New Year's Eve." Source: RollingStone.com

[Ans] Which act did NOT perform at the original Woodstock festival in 1969?

Step 1 : Introduction to the question "Which act did NOT perform at the original Woodstock festival in 1969?"

On this day in 1969, the grooviest event in music history–the Woodstock Music Festival–came to a close after three days of peace, love and rock ‘n’ roll. The Doors were considered as a potential performing band but canceled at the last moment. According to guitarist Robby Krieger, they turned it down because they thought it would be a "second class repeat of Monterey Pop Festival" and later regretted that decision. 32 acts performed in front of nearly half a million concertgoers including: The Grateful Dead, The Who, Santana, Janis Joplin, Joan Baez, Crosby, Stills, Nash and Young, Sha Na Na and Jimi Hendrix.

[Answer] Which act did NOT perform at the original Woodstock festival in 1969?

Step 1 : Introduction to the question "Which act did NOT perform at the original Woodstock festival in 1969?"

...On this day in 1969, the grooviest event in music history–the Woodstock Music Festival–came to a close after three days of peace, love and rock ‘n’ roll. The Doors were considered as a potential performing band but canceled at the last moment. According to guitarist Robby Krieger, they turned it down because they thought it would be a "second class repeat of Monterey Pop Festival" and later regretted that decision. 32 acts performed in front of nearly half a million concertgoers including: The Grateful Dead, The Who, Santana, Janis Joplin, Joan Baez, Crosby, Stills, Nash and Young, Sha Na Na and Jimi Hendrix.

Who was the last act at the famous three-day Woodstock festival in 1969?

Step 1 : Introduction to the question "Who was the last act at the famous three-day Woodstock festival in 1969? "

The Woodstock Music & Art Fair—informally, the Woodstock Festival or simply Woodstock—was a music festival attracting an audience of over 400,000 people, scheduled over three days on a dairy farm in New York from August 15 to 17, 1969, but ultimately ran four days long, ending August 18, 1969