John Allen (musician)
John Allen (born Johnathan Gordon Allen Klerk on 4 April 1947) is an English musician and producer born in Sheffield, England. He started his career as a double bass player, performing Jazz and Blues in clubs around Yorkshire, England. Allen toured the United Kingdom in the 1960s in his the group he formed called "The Top Hats" from the years 1963 to 1965. Afterwards, he moved to Scotland to work in musical producing and has since retired. He was known by his nickname "Sonny" and still regularly performs music in clubs.