Artists like Peter, Paul and Mary

The Kingston Trio is an American folk and pop music group that helped launch the folk revival of the late 1950s to the late 1960s. The group started as a San Francisco Bay Area nightclub act with an original lineup of Dave Guard, Bob Shane, and Nick Reynolds. It rose to international popularity fueled by unprecedented sales of LP records and helped alter the direction of popular music in the U.S.

Peter Seeger was an American singer, songwriter, musician, and social activist. He was a fixture on nationwide radio in the 1940s, and had a string of hit records in the early 1950s as a member of The Weavers, especially their recording of Lead Belly's "Goodnight, Irene", which topped the charts for 13 weeks in 1950. Members of the Weavers were blacklisted during the McCarthy Era. In the 1960s, Seeger re-emerged on the public scene as a prominent singer of protest music in support of international disarmament, civil rights, workers' rights, counterculture, environmental causes, and ending the Vietnam War.

Christiana Elizabeth "Tia" Wallman, known professionally as Tia Blake, was an American singer-songwriter and writer. She recorded the 1971 album Folk Songs & Ballads: Tia Blake and Her Folk-Group, which was released in France in a small pressing and reissued in 2011. Later accounts have described it as a lost or rediscovered folk album, and commentators have compared Blake with singers including Nick Drake and Nico.

The Mamas & the Papas were an American-Canadian folk rock vocal group that recorded and performed from 1965 to 1968, with a brief reunion in 1971. The group was a defining force in the music scene of the counterculture of the 1960s. Formed in New York City, the group consisted of Americans John Phillips, Cass Elliot, and Michelle Phillips, and Canadian Denny Doherty. Its sound was based on vocal harmonies arranged by John Phillips – the songwriter and leader of the group – who adapted folk to the new beat style of the early 1960s.

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.

Crosby, Stills & Nash (CSN) was a folk rock supergroup composed of the American singer-songwriters David Crosby and Stephen Stills and the English-American singer-songwriter Graham Nash. When joined by the Canadian singer-songwriter Neil Young, they were known as Crosby, Stills, Nash & Young (CSNY). They are noted for their intricate vocal harmonies and lasting influence on American music and culture, their political activism and their tumultuous relationships.

Crosby, Stills & Nash (CSN) was a folk rock supergroup composed of the American singer-songwriters David Crosby and Stephen Stills and the English-American singer-songwriter Graham Nash. When joined by the Canadian singer-songwriter Neil Young, they were known as Crosby, Stills, Nash & Young (CSNY). They are noted for their intricate vocal harmonies and lasting influence on American music and culture, their political activism and their tumultuous relationships.