with breath (Ajapa Japa
). Practise Pranayama
for one or two months. You will hear the ten sounds (Anahata sounds) clearly and enjoy the music of the soul. The sound that you hear will make you deaf to all external sounds
From Amrita Gita by Swami Sivananda, copyright The Divine Life Society. Swami Sivananda was a self-realized Master and a very practical Guru. Following His teachings can lead you to the Absolute.