Herbert Randal Cain III (May 2, 1945 – April 9, 2009)[1][2] was a Philadelphia soul singer with The Delfonics (early 1960s to 1971).

[4] During their attendance at Overbrook High School, Cain joined the Harts' existing vocal group, when a couple of its members dropped out.

[5] Cain left The Delfonics in 1971, with singer Major Harris taking his place in the line-up.

[5][6] In 1973, while working for recording company WMOT Records, Cain helped introduce singer-songwriter Ted Mills to the vocal group Shades of Love, which Mills would join to form Blue Magic.

[5] Cain died at his home in Maple Shade Township, New Jersey in April 2009, aged 63.