Kansas „Opus Insert“ Keyboard/Vocal Cover Cover Hip-Hop, Coverversion Kansas, Songcover opus, Coverversion Opus Insert, Coversong Rock, Leftoverture, Leftoverture(2 bonus tracks), I was able play all the keyboard parts you hear in this video in one continuous take by using the program MainStage! Watch as the keyboard gets layered and … Like 0 Thanks! You've already liked this