"Why" is a hit song recorded by Frankie Avalon in 1959 and
went to number one on the U.S. Billboard Hot 100 pop singles
chart for the week of December 28, 1959, making it the last
number one single of the 1950s. The song was written by
Avalon's manager and record producer Robert "Bob" Marcucci and
Peter De Angelis. This was Avalon's second and final number-one
hit.
Anthony Newley covered the song in 1960, and his version
went to #1 on the UK charts. Donny Osmond recorded the song in
1972. It was released as a single and peaked at #13 on the
Billboard Hot 100.