Odyssey

Odyssey, now led and fronted by Steven Collazo is originally a New York-based {now UK-based} band. which began as the Connecticut-born "Lopez Sisters" group, featuring Steven's mother, Lillian (Lillian Lopez Collazo Jackson; 16 November 1935 – 4 September 2012), Louise Lopez (born 22 February 1933), and Carmen Lopez (born 12 July 1934), the latter having left the group before Odyssey, as the act would come to be known after her departure, was conceived. The group continues to record and perform worldwide.

source: Wikipedia