Roots of Donovan

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.

Madeline Bell is an American soul singer, who became famous as a performer in the UK during the 1960s and 1970s with pop group Blue Mink, having arrived from the United States in the gospel show Black Nativity in 1962, with the vocal group Bradford Singers.

Jesse Fuller was an American one-man band musician, best known for his song "San Francisco Bay Blues".

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.

The Grateful Dead was an American rock band formed in Palo Alto, California, in 1965. Known for their eclectic style that fused elements of rock, blues, jazz, folk, country, bluegrass, rock and roll, gospel, reggae, and world music with psychedelia, the band is famous for improvisation during their live performances, and for their devoted fan base, known as "Deadheads". According to the musician and writer Lenny Kaye, the music of the Grateful Dead "touches on ground that most other groups don't even know exists". For the range of their influences and the structure of their live performances, the Grateful Dead are considered "the pioneering godfathers of the jam band world".

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.