Complex sentence: In 1968, Graham moved his concerts to a different venue at Market Street and South Van Ness Avenue (formerly known as The Carousel Ballroom and El Patio) which he renamed Fillmore West; the original Fillmore Auditorium continued under the name The Elite Club.
Split into simpler sentences: In 1968, Graham moved his concerts to a different venue at Market Street and South Van Ness Avenue (formerly known as The Carousel Ballroom and El Patio) which he renamed Fillmore West. The original Fillmore Auditorium continued under the name The Elite Club.