sentences:  Many of his early compositions were co-written by David Martin and/or Chris Arnold, with whom he also recorded, both as 'Arnold, Martin and Morrow' and under the group name of 'Butterscotch'.Fellow songwriter and producer Phil Wainman played the drums for Butterscotch.Morrow and Arnold's first big songwriting success was "In Thoughts of You", taken to the top ten in the UK Singles Chart by Billy Fury in 1965.