Klaas has had 2 concerts.

Klaas is most often considered to be Electronic, House, Dance, EDM, Electro, Electro House, Pop Dance, German Dance, and Pop House.

The last Klaas concert was on July 22, 2022 at PRC De Schorre in Boom, Flanders, Belgium. The bands that performed were: Martin Garrix / Tiësto / Marshmello / Steve Aoki / Afrojack / Armin van Buuren / Alesso / Robin Schulz / Alan Walker / Lost Frequencies / Eric Prydz / Dimitri Vegas & Like Mike / Duck Sauce / Oliver Heldens / Kungs / Fedde le Grand / Netsky / Nervo / Otto Knows / Infected Mushroom / Tchami / Timmy Trumpet / NGHTMRE / Fisher / Meduza / Claptone / The Magician / JAUZ / Bassjackers / Tujamo / Riton / Ofenbach / Maceo Plex / Purple Disco Machine / Headhunterz / Kölsch / Mike Williams / Joris Voorn / Vini Vici / James Hype / Dubvision / Dimitri Vegas / Tale of Us / Vintage Culture / Malaa / Dom Dolla / Klaas / Adam Beyer / Yves V / MORTEN / Yotto / Dimension / Brennan Heart / Mano Le Tough / Third Party / Danny Avila / Moksi / ADRIATIQUE / Like Mike / Pan-Pot / Ben Klock / Sunnery James & Ryan Marciano / Solardo / Cristoph / Tinlicker / Ferreck Dawn / Amelie Lens / Thomas Newson / Da Tweekaz / Kryder / Charlotte De Witte / Dombresky / Catz 'n' Dogz / Nicole Moudaber / Liquid soul / ARTBAT / Klangkuenstler / Chemical Surf / Holy Goof / Mind Against / Reinier Zonneveld / Henri Pfr / Gianluca Vacchi / Helena Hauff / Sachi / FJAAK / Kanine / Ramon Tapia / John Summit / Pretty Pink / Yves Deruyter / MATTN / Layton Giordani / Sam Divine / Dino Lenny / Bou / Mambo Brothers / Diego Miranda / Kobosil / Innellea / Montell2099 / ACRAZE / LP Giobbi / Furyan / Juliet Fox / Seth Hills / The Hot Dub Time Machine / Goldband / DJ Ghost / Marino Canal / RIKKI / Robbie Doherty / Djeff / Gordo / DJ Flash / REALITY TEST / Sunnery James / Double Pleasure / Ryan Marciano / Mick Mazoo / Indira Paganotto / Azteck / Milo Spykers / FrenchFaces / Funky Fool / Cellini / Lari Luke / B-kay / Partyshakerz / Captain Bass / BLVCKPRINT / Fotn / Rebūke (DJ) / Green Tree / Charlie tee / Axel Haube / B Jones (Ibiza) / FJAAK (DJ Set) / dBreathe / Dana Montana / DJ Uneak / Delafino / Nicki Sanchez / MIKE WILLIAMS (NL) / The Bobmeister / Marsden / Ahl Iver (BE) / Laidback Luke.