Explore Brain Waves, Vol. 1: Alpha, Delta, Theta Waves Music for Relax, Sleep and Brain Power (Long Versions) by Mrm Team, released on . A 6-track album featuring 'Delta Waves: Sounds of Universe', 'Theta Waves: Out of the Physical Body', 'Theta Waves: Endless Journey'. Get detailed streaming statistics, track-by-track analysis, and listener engagement metrics.