Promoter Bill Graham closes Fillmore East and West concert venues. Doors frontman Jim Morrison dies of drug overdose. Former Beatle George Harrison holds a ``Concert for Bangladesh'' in New York. The first Glastonbury Festival is held in the UK. British folk duo T.Rex go electric and launch glam rock, scoring #1 album in the UK. British band Yes's progressive rock hit the top 10 in both the US and UK. Singer-songwriters are popular, with hits by Gordon Lightfoot, Bill Withers, John Denver, and Carole King.