Listen to Swan Lake Act One. No. 4. Pas de trois I. Intrada (Allegro) - Pyotr Ilyich Tchaikovsky (8D Binaural Sound - Music Therapy) by Pyotr Ilyich Tchaikovsky in Swan Lake - Pyotr Ilyich Tchaikovsky (8D Binaural Sound - Music Therapy) playlist online for free on SoundCloud