The Swiss counter-tenor, Beat Mattmüller, studied piano with Rolf Mäser at the Musikhochschule Basel, finishing with training diploma. He studied singing, receiving Diploma with honour. He resumed singing studies at the Schola Cantorum Basiliensis with Domonique Vellard and Richard Levitt.
Beat Mattmüller has taken part in concerts, broadcast and CD recordings in Switzerland, Germany, France, Italy, Brazil and Argentina and others, with Ensemble 415, Ensemble Turicum, Hassler Consort and Opernhaus Zürich.
Beat Mattmüller also teaches piano at the Musik-Akademie Basel.