The Universe that we live in is made of a vast sea of concious energy that has infinite potential. This energy has a unique ability that allows it to have infinite expressions which are achieved through the use of frequency. Frequency plays an important role in the creation of the Universe because frequency allows energy to express itself into any form, including particles, atoms, planets, stars, galaxies and biological life. To be more specific, every biological or non–biological thing has a unique energy signature that vibrates at certain specific frequencies. Sound helps to facilitate shifts in our brainwave state by using entrainment. Entrainment synchronizes our fluctuating brainwaves by providing a stable frequency, which the brainwave can attune to. By using rhythm and frequency, we can entrain our brainwaves and it then becomes possible to down–shift our normal beta state (normal waking consciousness) to alpha (relaxed consciousness), and even reach theta (meditative state) and delta (sleep; where internal healing can occur).
Some of the tools I currently use are voice–guided meditation that vibrates at a specific HZ, drumming, Bell and singing bowls.