QO has had 2 concerts.

QO is most often considered to be Rock, Electronic, Alternative Rock, Blues Rock, Alternative Metal, Modern Rock, Nu Metal, Dubstep, Stoner Rock, Drum And Bass, Grunge, Stoner Metal, Czech, Neurofunk, Darkstep, Palm Desert Scene, and Neurostep.

The last QO concert was on August 04, 2022 at Let It Roll 2022 in Milovice, Czech Republic. The bands that performed were: Pendulum / Sub Focus / Wilkinson / Delta Heavy / TC / Matrix & Futurebound / Metrik / Hybrid Minds / Friction / Fox Stevenson / Dimension / Black Sun Empire / S.P.Y / Koven / Culture Shock / Kove / Maduk / Alix Perez / Nu:Tone / DJ Marky / B-Complex / Keeno / Technimatic / Flava D / State Of Mind / John B / Mefjus / Enei / Kanine / LUUDE / 1991 (UK) / Grafix / Teddy Killerz / A.M.C / Urbandawn / Monrroe / Bou / Halogenix / Turno / QZB / Rido / Phibes / Hedex / SP:MC / Levela / Neonlight / legion / Kasra / K Motionz / Degs / Pythius / Andromedik / Dub Elements / Agressor Bunx / Forbidden Society / Gydra / IMANU (NL) / MC Fava / GEST / Mandidextrous / Magnetude / Zombie Cats / Millbrook / Kyrist / Workforce / Visages / QO / MC I.D / subtension / MC Coppa / A-Cray / Merikan / Fade Black / Nais / MC Jakes / Symplex / Kutlo / MC Linguistics / Harriet Jaxxon / Emperor (UK) / Something Something / MC Phantom / MC Tempza / MC Carasel / Particle DNB / Lens (DnB) / Changing Faces DnB / The Sauce DNB / MC AD-APT / Monty (FR) / Mizo (RU) / SYNERGYSNRG / Stay-C (ZA) / Jade (HU) / Mc Haribo / MADFACE (CZ) / MNDSCP (HU) / ChaseR (RU) / Ripple (CZ) / Holotrope (CZ) / MAGENTA (CZ) / Simple Souls (CZ) / Trilo (PL).