Different musical instruments have different vibrations, each of which  uniquely affects different centres in our body.   The base sound created by the drum affects the lowest centre/chakra. For  example, this can be felt from rock and roll music. This sort of music  simply shakes off inertia. You just cannot be lazy or sleepy when drums  are being played.   The metallic sound emanating from stringed instruments have their effect  in the naval centre. If a chair is being pushed or some screeching noise  is made, something happens in the tummy. Have you noticed that if a door  creaks or any harsh metallic sound is made, something happens in the  navel centre? Solid metallic sound affects the navel region and from  there, fine stringed instruments have an effect rising up to the heart  region.   Wind instruments like the flute affect the region from the heart to the  throat to the eyebrow centre. The blowing of a conch affects us from the  eyebrow centre to the top of the head.   In anci...