Prelude and fugue on the theme of the Swiss "Berezina-Lied": https://youtu.be/dDdzZVMV3hk & https://youtu.be/eYJyJ6x3e8c Improvised fantasies on Beethoven's symphonies: https://youtu.be/ePG7LcRNStQ L.v. Beethoven Piano Concerto Op.58 No.4 and Op.73 No.5 with improvised cadenza: https://youtu.be/0U117nNellM & https://youtu.be/zaEOUIrRbcI Alternative cadence to Beethoven's Choral Fantasy Op.80: https://youtu.be/XoMZ2pNlcII Video link: From the documentary "Galina Vracheva - Music of the moment": https://youtu.be/v2fek1E3API