Peter Michael Haas, born in 1951, is a pianist and keyboard player in various rock, fusion and jazz groups, as well as composing film and stage music. He discovered his love for the accordion and for tango music fairly late under the influence of music by Astor Piazzolla, among others. He has taken part in international concerts, for example with the singer Karsten Troyke, and as a duo with ‘Váci Utca’. He toured Germany for ‘Nachtmahr 2’ in the ensemble of the actress and singer, Meret Becker. He is a founding member of the ‘Trio Milonga’ and the ensemble ‘Neuer Tango Berlin’.