Optimal Mass returns to Esbirra Ibiza for another night of underground drum & bass and jungle. This edition welcomes ALTITUDE from the UK, alongside CHAZZ, celebrating his new release on Riot Records, SUPER SHARP SHOOTERS bringing jungle and rolling sounds, ECSTA and NOEL SONKWA. Expect deep rollers, jungle, breaks, dark basslines and dancefloor pressure throughout the night. Ibiza does house. Ibiza does techno. Optimal Mass brings the bass. From 23:00 till late Esbirra Ibiza – Es Canar Free before midnight. 10€ after.