Complex sentence: In addition to backing Kramer on his hits, the group itself is perhaps best known for their instrumental single called "The Cruel Sea", a composition of Maxfield, which reached No.18 in the UK charts in July 1963.
Split into simpler sentences: In addition to backing Kramer on his hits, the group itself is perhaps best known for their instrumental single called "The Cruel Sea", a composition of Maxfield. It reached No.18 in the UK charts in July 1963.