Awadagin Pratt performs the first and fourth movements of Franz Schubert's piano four hand Fantasia in F minor with student pianist Lucy Hattemer at the White House Classical Music Student Workshop Concert. In the 1 hour session this is from about 21:20 - 29:04.
Builds quickly, sustains and gradually fades. C minor arpeggio stretched from 11 seconds to 1 minute using the paulstretch effect on audacity. Low-fi recording with tablet and hi-q app.