Instrument: Sauter upright with Pianodisc silent system
Recording Method: Silent system via MIDI cable to notebook with Galaxy Vintage D, recorded with Savihost plugin
Info: Brahms' waltzes op. 39 were originally composed for 4 hands and the no. 15 is in A major. However, when Brahms wrote this transcription for 2 hands he changed the key signature to A-flat major.