Kalin Twins Biography (Wikipedia)
The Kalin Twins (born February 16, 1934) were a pop music recording and songwriting duo, comprising twin brothers Harold Kalin and Herbert Kalin (died August 24, 2005 and July 21, 2006, respectively). The Kalin Twins, who were known affectionately as "Hal and Herbie", remain the archetypal one-hit wonders. Their only chart hit was 1958's "When".
Kalin Twins Tracks