Marvin Gaye
Marvin Gaye (born Marvin Pentz Gay, Jr.) (April 2, 1939 – April 1, 1984) was a two-time Grammy-winning American singer, songwriter, composer, multi-instrumentalist, and record producer who gained international fame as an artist on the Motown record label in the 1960s and 1970s. http://en.wikipedia.org/wiki/Marvin_Gaye

Gamble and Huff
Gamble and Huff were the premiere producers of soul music formed Philadelphia International Records in 1971 as a rival to Berry Gordy and Motown. By 1975, Philadelphia International and the Philadelphia soul genre it helped define had largely eclipsed Motown. http://en.wikipedia.org/wiki/Gamble_and_Huff

Jam & Lewis
James "Jimmy Jam" Harris III (born on June 6, 1959 in Minneapolis, Minnesota) and Terry Lewis (born November 24, 1956 in Omaha, Nebraska) are an American R&B and pop songwriting and record production team. They have enjoyed great success since the 1980s with various artists, most notably Janet Jackson. Jimmy_Jam_and_Terry_Lewis

Billie Holiday

Bootsy Collins
William "Bootsy" Collins (born October 26, 1951 in Cincinnati, Ohio) is a funk bassist, singer, and songwriter. Collins' driving bass guitar and humorous vocals established him as one of the leading names in funk. http://en.wikipedia.org/wiki/Bootsy_Collins

Russell Simmons
Russell Simmons (born October 4, 1957 in Queens, New York), is an American entrepreneur and record producer. Simmons was the former owner of the pioneering hip-hop label Def Jam http://en.wikipedia.org/wiki/Russell_Simmons

Phyllis Hyman
Phyllis Hyman (July 6, 1949 - June 30, 1995) was an American soul singer, model and actress. She is remembered as one of the premier female vocalists of her time, known for songs such as You Know How To Love Me, Can't We Fall In Love Again, Old Friend, Living All Alone and Don't Wanna Change The World. http://en.wikipedia.org/wiki/Phyllis_Hyman

Queen Latifah
Dana Elaine Owens (born March 18, 1970), better known by the stage name Queen Latifah, is an American rapper, singer and actress. Latifah's work in music, film and television has earned her a Golden Globe award, Grammy Award, two Screen Actors Guild Awards, an Emmy Award and Academy Award nominations.
http://en.wikipedia.org/wiki/Queen_Latifah

Prince
Prince Rogers Nelson (born June 7, 1958, in Minneapolis, Minnesota) is an American pop musician. He performs simply as Prince. His career has spanned several styles: from his early material, rooted in R&B, soul and funk, he has consistently expanded his musical palette throughout his career. http://en.wikipedia.org/wiki/Prince_(musician)