Gladys Knight, Freddie Jackson, The Delfonics & Harold Melvin

The Delfonics
The Delfonics were one of the first groups to sing in the sleek, soulful style that became popularized (thanks to producer Thom Bell) as the "Philadelphia sound." A vocal trio made up of brothers William and Wilbert Hart and high school friend Randy Cain, the Delfonics roots go back to doo wop singing at school dances in the early '60s....

Freddie Jackson
To urban contemporary listeners, Freddie Jackson was one of the biggest stars of the latter half of the '80s, dominating the R&B charts seemingly at will. Jackson's forte was sophisticated, romantic soul ballads aimed at adult audiences, but he was also capable of tackling urban contemporary dance fare and even the occasional jazz tune....

Gladys Knight
A soul singer of great power and sensitivity, best known for singing with the Pips, Gladys Knight has also appeared (in small roles) as an actress in two feature films, Pipe Dreams (1976) and Twenty Bucks (1993)....

Harold Melvin
Harold Melvin was one of the driving forces behind Philadelphia soul, leading his group the Blue Notes to the top of the charts during their stint on Kenny Gamble and Leon Huff's Philadelphia International label....