Leon Rosselson is an English songwriter and writer of children's books. After his early involvement in the folk music revival in Britain, he came to prominence, singing his own satirical songs, in the BBC's topical TV programme of the early 1960s, That Was The Week That Was. He toured Britain and abroad, singing mainly his own songs and accompanying himself with acoustic guitar.

Martin Dominic Forbes Carthy MBE is an English singer and guitarist who has remained one of the most influential figures in English folk music, inspiring contemporaries such as Bob Dylan and Paul Simon, and later artists such as Richard Thompson, since he emerged as a young musician in the early days of the folk revival in the UK during the 1960s and 1970s.