Singing Nun – Sister Janet Mead during recording rehearsal at Festival Records, Pyrmont. April 2, 1974. (Photo by Kenneth Stevens/Fairfax Media via Getty Images).
(MANDATORY CREDIT Koh Hasebe/Shinko Music/Getty Images) David Bowie live at Shinjyuku Kosei Nenkin Hall, Tokyo, April 8, 1973. (Photo by Koh Hasebe/Shinko Music/Getty Images)
NEW YORK – APRIL 5: Disco songwriter, producer and artist Van McCoy records at the Apostolic Studios on April 5, 1974 in New York city, New York. (Photo by Don Paulsen/Michael Ochs Archives/Getty Images)
Country music singer-songwriter Willie Nelson performs at the Great Southeast Music Hall on October 27, 1975 in Atlanta, Georgia. (Photo by Tom Hill/Getty Images)
View of American siblings & Rock musicians Ann Wilson (left) and Nancy Wilson, both of the group Heart, during an interview on MTV at Teletronic Studios, New York, New York, April 22, 1982. (Photo by Gary Gershoff/Getty Images)
