Complex sentence: Antemasque is an American rock group formed in 2014 by former members of At The Drive-In and The Mars Volta, Omar Rodríguez-López and Cedric Bixler-Zavala, in collaboration with Red Hot Chili Peppers's Flea on bass and Dave Elitch on drums.
Split into simpler sentences: Antemasque is an American rock group formed in 2014 by former members of At The Drive-In and The Mars Volta, Omar Rodríguez-López and Cedric Bixler-Zavala. Some of their first tracks featured Red Hot Chili Peppers's Flea on bass and Dave Elitch on drums.