Alan Blaikley

Alan Tudor Blaikley (23 March 1940 – 4 July 2022) was an English songwriter and composer, best known for writing a series of international hits in the 1960s and 1970s in collaboration with Ken Howard, including the UK number ones "Have I the Right?" and "The Legend of Xanadu". Together with Howard, he also wrote two West End musicals and a number of TV themes, including the theme music for the BBC's long-running series of Agatha Christie's ''Miss Marple''. Provided by Wikipedia