Susan Svrček and Nelson Ojeda Valdès plays Frederick Lesemann's bar code (dance music for 2 pianos)

Hammer Phase by Frederick Lesemann

Frederick Lesemann: Sonata per clarinetto e percussioni (1973)

Nic Gerpe and Nelson Ojeda Valdés play Frederick Lesemann's Barcode

Mark Robson plays Frederick Lesemann's Prelude #6 (...after a tenor by Guilliaume Dufay)

Susan Svrček and Nelson Ojeda Valdès plays Frederick Lesemann's [bar code]

Susan Svrček plays from Frederick Lesemann's Preludes (...after a tenor by Guilliaume Dufay) (pt 1)