I will second for The LettermenThe Lettermen formed in 1959 in Los Angeles. Among their hits are Hurt So Bad, When I Fall In Love, Come Back Silly Girl, How Is Julie, The Way You Look Tonight, Theme From A Summer Place and Goin' Out Of My Head/Can't Take My Eyes Off You. Butala was the last surviving original member. Bob Engemann died in 2013 and Jim Pike died in 2019.
The Lettermen founding member Tony Butala dies at 87