Complex sentence: McPhatter was lead tenor for a gospel group he formed as a teenager called The Mount Lebanon Singers, for Billy Ward and His Dominoes, and founder of The Drifters before going solo, leaving a legacy of over 22 years of recording history.
Split into simpler sentences: McPhatter was lead tenor for The Mount Lebanon Singers, a gospel group he formed as a teenager; and later, Billy Ward and His Dominoes. Later he founded The Drifters before going solo; he left a legacy of over 22 years of recording history.