22/23-6-2023
ProMiMiCProfessional Excellence in Meaningful Music in Health CareRoyal Conservatoire Den Haag, NetherlandsMusic and Talks, final symposium of the project https://www.koncon.nl/en/events/symposium-promimic-den-haag
17-6-2023
BELOFOUR AKKORDEONQUARTETTFestival Wir sind Wien1170 Wien, Dornerplatz open air, 20hInformation/
29-5-2023
Melange OrientalSassari, SardegnaSala "Pietro Sassu"https://www.ellipsismusica.it/Erich Oskar Huetter - CelloStefano Bagliano - FluteStefan Heckel - Accordion
17-5-2023
STIO-FestivalHeimatsaal Graz, 20.00hA_UK_ONNECT EnsembleAnnette Giesriegl - vocalsSarah Gail Brand - tromboneJohn Edwards - bassStefan Heckel - piano
16-5-2023
Touching SongsOff-Theater. Kirchengasse 41, 1070 Wien Angela Tröndle - GesangAndy Middleton - SaxophonStefan Heckel - KlavierOliver Steger - BassUli Soyka - Schlagzeug
13-5-2023
Touching SongsGinzersdorf Angela Tröndle - GesangAndy Middleton - SaxophonStefan Heckel - KlavierOliver Steger - BassUli Soyka - Schlagzeug
25-3-2023
BELOFOUR AKKORDEONQUARTETTAkkordeonfestival WienStadtsaal WienInformation/