The rock music group took 30 minutes. None of the classical mice did that. After intensive experimentation with students, he found that music was the key. Relaxation induced by specific music leaves the mind alert and able to concentrate. Using specific music allows you to do strenuous mental work while remaining relaxed and focused.
Brain waves speed up.
The pulse and blood pressure decrease. The brain waves slow down. The muscles relax. The music Dr. Lozanov found most conducive to this state is baroque music, like that of Bach, Handel, Pachelbel, and Vivaldi. These composers used very specific beats and patterns that automatically synchronize our minds and our bodies.