Artists like Terry Callier

Donny Edward Hathaway was an American soul singer, keyboardist, songwriter, backing vocalist, and arranger who Rolling Stone described as a "soul legend". His most popular songs include "The Ghetto", "This Christmas", "Someday We'll All Be Free", and "Little Ghetto Boy". Hathaway is also renowned for his renditions of "A Song for You", "For All We Know", "Jealous Guy" and "I Love You More Than You'll Ever Know", along with "Where Is the Love" and "The Closer I Get to You", two of many collaborations with Roberta Flack. He has been inducted into the St. Louis Walk of Fame and won one Grammy Award from four nominations. Hathaway was also posthumously honored with a Grammy Lifetime Achievement Award in 2019. Dutch director David Kleijwegt made a documentary called Mister Soul – A Story About Donny Hathaway, which premiered at the International Film Festival Rotterdam on January 28, 2020.

Karen J. Dalton was an American country blues singer, guitarist, and banjo player. She was associated with the early 1960s Greenwich Village folk music scene, particularly with Fred Neil, the Holy Modal Rounders, and Bob Dylan. Although she did not enjoy much commercial success during her lifetime, her music has gained significant recognition since her death. Artists like Nick Cave, Devendra Banhart, and Joanna Newsom have noted her as an influence.

Odetta Holmes, known mononymously as Odetta, was an American singer, songwriter, and actress. Referred to as "The Voice of the Civil Rights Movement", her musical repertoire consisted largely of American folk music, blues, jazz, and spirituals.

Lucien Leopold Harrigan, known professionally as Jon Lucien, was a singer from Tortola in the British Virgin Islands.

José James is an American composer, baritone singer, guitar player and vocalist who combines contemporary jazz and hip hop.

Marley Munroe, known professionally as Lady Blackbird, is an American-born jazz and soul singer-songwriter, working primarily in the United Kingdom. She has been described as "the Grace Jones of jazz".

Herbert Jansch was a Scottish folk musician and founding member of the band Pentangle. He was born in Glasgow and came to prominence in London in the 1960s as an acoustic guitarist and singer-songwriter. He recorded more than 28 albums and toured extensively from the 1960s to the 21st century.

Rotary Connection was an American psychedelic soul band, formed in Chicago in 1966.

Jackson Carey Frank was an American folk musician. He released his first and only album in 1965, produced by Paul Simon. After the release of the record, Frank was plagued by a series of personal issues, and was diagnosed with schizophrenia and protracted depression that prevented him from maintaining his career.

Eva Marie Cassidy was an American singer and musician. She was known for her interpretations of jazz, folk, and blues music, sung with a powerful, emotive soprano voice. In 1992 she released her first album, The Other Side, a set of duets with go-go musician Chuck Brown, followed by a 1996 live solo album titled Live at Blues Alley. Although she had been honored by the Washington Area Music Association, she was virtually unknown outside her native Washington, D.C. area at the time of her death from melanoma at the age of 33 in 1996.

James Timothy Hardin was an American folk music and blues singer-songwriter and guitarist. In addition to his own success, his songs "If I Were a Carpenter", "Reason to Believe", "Misty Roses" and "The Lady Came from Baltimore" were hits for other artists.

Fred Neil was an American folk singer-songwriter active in the 1960s and early 1970s. He is mainly known through other people's recordings of his material, particularly "Everybody's Talkin'", which became a hit for Harry Nilsson after it was used in the film Midnight Cowboy in 1969. Though highly regarded by contemporary folk singers, he was reluctant to tour and spent much of the last 30 years of his life assisting with the preservation of dolphins.

Roy Edward Ayers Jr. was an American vibraphonist, record producer, and composer. Ayers began his career as a post-bop jazz artist, releasing several studio albums with Atlantic Records, before his tenure at Polydor Records beginning in the 1970s, during which he helped to pioneer jazz-funk. He was a key figure in the acid jazz movement, and has been described as "The Godfather of Neo Soul". He was best known for his compositions "Everybody Loves the Sunshine", "Running Away", and "Freaky Deaky" and others that charted in the 1970s. At one time, Ayers was listed among the performers whose music was most often sampled by rappers.

Dorothy Jeanne Thompson, better known as Dorothy Ashby, was an American jazz harpist, singer and composer. Hailed as one of the most "unjustly under loved jazz greats of the 1950s" and the "most accomplished modern jazz harpist," Ashby established the harp as an improvising jazz instrument, beyond earlier use as a novelty or background orchestral instrument, proving the harp could play bebop as adeptly as the instruments commonly associated with jazz, such as the saxophone or piano.