Martha Argerich, shares the keyboard with Greek pianist Theodosia Ntokou in a transcription of Beethoven's 'Symphony No. 6', the 'Pastoral', made by Selmar Bagge, a German organist and musicologist born in 1823. Completing the programme is Beethoven's intense ''Tempest' Sonata No. 17 in D Minor, Op. 31, No. 2', performed by Theodosia Ntokou, who praises its 'passion, intensity and fire'.