Relax Music Esoterica Fm Spiegel im Spiegel – Arvo Part A masterpiece of minimalism by Estonian composer Arvo Pärt; ‘Spiegel im Spiegel’ is enduringly common for the tranquil, even now ecosystem it inhabits, in the globe which is so often a lot more noisy and frantic. How to test it: https://www.youtube.com/watch?v=BkaFW11OGEs