Manfred Mann were an English rock band formed in London in 1962. They were named after their keyboardist Manfred Mann, who later led the successful 1970s group Manfred Mann's Earth Band. The group had two lead vocalists: Paul Jones from 1962 to 1966 and Mike d'Abo from 1966 to 1969. Other members of various group line-ups were Mike Hugg, Mike Vickers, Dave Richmond, Tom McGuinness, Jack Bruce (later of Cream) and Klaus Voormann. Prominent in the Swinging London scene of the 1960s, the group regularly appeared in the UK Singles Chart.
https://en.wikipedia.org/wiki/Manfred_Mann