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