Effortless: Multiplayer jamming in Mixed-Reality with prebuilt Ableton Live sessions. Trigger Live clips, map Live parameters to controllers, use Live processing, Playing Live melodies, chords and loops, all from within the Quest. Moreover, one can play with live players (and see them playing) in the room via the Quest Passthrough mode. Players can play along with prepared tracks or jam on their own creations. All will be playing built-in CsoundUnity instruments from within Effortless together with instruments running on the MacBook using and Csound-for-Live instruments in Max-for-Live and Cabbage AU and VST instruments and effects. The session, simultaneously running in VR and on the MacBook is synced to the session tempo via Ableton Link.