Ten Man Mop or Mr. Reservoir Butler Rides Again is the third album by Steeleye Span, recorded in September 1971. It was issued on the short-lived Pegasus label, and then the Mooncrest label, also in 1971. It was not initially issued in the US until Chrysalis acquired the group's first three albums in 1975, when it reissued all three in the UK and US. Tracks like "Four Nights Drunk", "Marrowbones", and "Wee Weaver" are essentially pure folk. It was the last album to feature founding member Ashley Hutchings; he left the band in November 1971, just after its completion, partly because he felt that the album had moved too far toward Irish music and away from English music. The band was also considering touring America, and Hutchings was reluctant to make the trip.