Donder first performed as a band in 2015 when they represented the conservatory of Antwerp at the Harmos festival in Portugal. In the three following years, they toured extensively in Belgium and abroad and released three albums. First ‘Still’ in 2016, recorded on the attic of the local music school where Harrison played his first notes. In 2018 they presented a quartet album with Danish reed player Lars Greve, recorded in a church in Copenhagen, and after winning the third edition of the STORM! contest they got to release their third album ‘Keukenpraat’ on the Belgian label W.E.R.F. records.

    Pianist Harrison Steingueldoir (°1995, BE) finished his masters degree at the Royal Conservatory of Antwerp in 2017, where he studied piano with Free Desmyter and Erik Vermeulen. Throughout the years Harrison won different awards as soloist and band member and toured through Belgium, Italy, Norway, Denmark, Portugal and Japan with Donder, GYJO and coaching projects with Ambrose Akinmusire and Avishai Cohen. Besides being a pianist, Harrison teaches and composes and arranges for bigband.

    Drummer Casper Van De Velde (°1995, BE) graduated from the Royal Conservatory of Antwerp in 2017 where he studied with Teun Verbruggen, Stéphane Galland and Dré Pallemaerts. He won the Storm! Contest both in 2015 with his duo SCHTNZL and again in 2017 with Donder. In 2016 he was awarded the prize for best instrumentalist at the Tremplin Jazz Contest in Avignon. Casper is also active in bands like Bombataz and In Een Discotheek, and is involved in projects with theater.

    Bassist Stan Callewaert (°1995, BE) moved to Denmark in 2016 to study a master’s degree in Music Performance at the RMC. In 2017 he also completed his masters at the Royal Conservatory of Antwerp where he studied with Nicolas Thys and Brice Soniano. Besides Donder, Stan is actively involved in the Copenhagen-based trio Lawaai and has been working on a solo double bass album. He shared the stage with artists like Randy Peterson, Kresten Osgood and Warren Smith and can be recognized by his rather unconventional, textural approach to the double bass.