Concert will begin at 18:00 hours GMT
The Martins play Beethoven and Rachmaninov in Konstanz
Lionel Martin, cello, and Demian Martin, piano, play:
BEETHOVEN: Sonata for cello and piano in A major op.69.
RACHMANINOV: Sonata for cello and piano in G minor op.19.
Recorded 15 April.
Mainau Castle, Konstanz