Sometimes, when people begin giving violet flame, they can be a little uncomfortable repeating the affirmations, prayers and mantras out loud. And yet sound is the key. Sound, whatever it may be, is caused by something vibrating. The vibration of sound can create change in the world we live it. For example, it can trigger an avalanche or an opera singer can shatter a glass. Science has shown how certain types of music can have a favorable impact on the growth of plants, the