Roots of Irma Thomas

Jerry Williams Jr., generally credited under the pseudonym Swamp Dogg after 1970, is an American country soul and R&B singer, musician, songwriter and record producer. Williams has been described as "one of the great cult figures of 20th century American music."

Edwin Joseph Bocage, known as Eddie Bo, was an American singer and pianist from New Orleans. Schooled in jazz, he was known for his blues, soul and funk recordings, compositions, productions and arrangements. He debuted on Ace Records in 1955 and released more single records than anyone in New Orleans other than Fats Domino.

Jackie DeShannon is an American singer-songwriter, radio broadcaster and actress who has had many hit song credits beginning in the 1960s, as both a singer and composer. She was one of the first female singer-songwriters of the rock and roll period. She is best known as the singer of "What the World Needs Now Is Love" and "Put a Little Love in Your Heart". She is the writer of "When You Walk in the Room" and "Bette Davis Eyes", which became hits for The Searchers and Kim Carnes, respectively.

Percy Mayfield was an American rhythm and blues singer with a smooth vocal style. He was also a songwriter, known for the songs "Please Send Me Someone to Love" and "Hit the Road Jack", the latter being a song first recorded by Ray Charles.