Complex sentence: Jeff LaBar (born March 18,1963) is a guitarist most famous for playing in the band Cinderella, in which he replaced original guitarist Michael Smerick, also known as Michael-Kelly Smith.
Split into simpler sentences: Jeff LaBar (born March 18,1963) is a guitarist most famous for playing guitar for the band Cinderella. He replaced original Cinderella guitarist Michael Smerick, also known as Michael-Kelly Smith.