One of the hidden treasures of the repertoire: the songs of Nikolai Medtner. He wrote around 100 exquisit works on Russian poetry (in Russian language of course) and on German poetry (in German!!) Here one of the highlights: Sleepless opus 37.1 ( Бессонница) 

Ekaterina Levental, mezzo-soprano 

Frank Peters, piano 

Filmed and recorded by Boris Peters