DARK SIDE - Altra Volta string quartet (Audiophile quality - high resolution FLAC 88.2 kHz, mp3 320kb)
Water music - Altra Volta string quartet (Audiophile quality - high resolution FLAC 176 kHz, wav 44.1 kHz, mp3 320kb)
Fryderyk Chopin - Prelude in E minor, Op. 28 No. 4. Altra Volta String Quartet. Recomposed by Jacek Dzwonowski