Brewer & Shipley were an American folk rock duo who enjoyed their peak success in the late 1960s through the 1970s. The duo consisted of singer-songwriters Mike Brewer and Tom Shipley. They were known for their intricate guitar work, vocal harmonies, and socially conscious lyrics which reflected the concerns of their generation – especially the Vietnam War, and the struggles for personal and political freedom. Their greatest commercial success was the song "One Toke Over the Line" from their 1970... [more on Wikipedia]