Complex sentence: Christopher Russell Edward Squire (4 March 1948--27 June 2015) was an English musician and singer-songwriter best known as the bassist and founding member of the progressive rock band Yes.
Split into simpler sentences: Christopher Russell Edward "Chris" Squire (4 March 1948--27 June 2015) was an English musician and singer-songwriter. He was best known as the bassist and founding member of the progressive rock band Yes.