In all Indo-ethnic religions (Sikhs, Hindus, Buddhism, etc.), it is believed that creation and life sparked from the Pure Being’s thought/sound vibration, and that this primordial creative sound wave that emanated from this ‘big bang’ is the sound vibration of ‘AUM‘ or ‘OM‘.  In sikhism, God is also called ‘Ek Omkar‘.   

This divine primal sound vibration ‘Naad’ is a cosmic dance between the ‘struck’ (Ahad) and ‘unstruck’ (Anhad) sound waves.  ‘Ahad Naad’ are sounds which we actually hear. They physically vibrate and travel thru matter and transmit their sound vibration thru movement of molecules structures, such as, a mallet hitting a drum, strumming of a guitar, water falling over the rocks, bees buzzing, etc.  Whereas, the unstruck melody (Anhaad Naad), is sound created without a physical subject or any external strike!  Everything in the universe vibrates at a different frequency, and all are connected. This vibration has no beginning or end!  All matter originates and exists as a projection of a conscious and subconscious creative force, which brings the particles of an atom into vibration.  From quantum physics angle as well, the base of universe is vibration, pure frequency!  Light, radiation, color, sound, heat, radio and matter, all exist thru vibration (even thoughts and brain waves)!  ‘Anhad naad‘ is the very sound of the cosmos and human consciousness that transcends space and time, and is constantly vibrating, creating and expanding the universe-indefinitely, endlessly.

God is ‘Anhad Naad’ or infinite voice. It is this unstruck melody, the hidden sound of existence, spirit of higher consciousness! In Japji Sahib’s opening hymn, Guru Nanak ji, calls upon God, the Creator, as ‘The Primal One, the Pure Light, without beginning, without end. Throughout all the ages, He is One and the Same (Āḏ anīl anāḏ anāhaṯ jug jug eko ves)’.   There is a divine sound going on within our body which can be heard only at time of deep, dedicated and disciplined simran (meditation).  Babaji Nanakji also said ‘Fortunate are those who listen to Anhad naad, all their heartfelt desires get fulfilled/attained (Anhad suno Bar Bhagyo, Sakal Manorathh poorey).’ In Anand Sahib, Guru Amar Das ji, our third Sikh guru, said ‘Those who constantly sing Your name, glories and praises, get blessed with Your Name enshrined in their mind.  Whosoever’s mind the Naam abides, glorious divine melody of the Shabad vibrates for them (Sadaa sifat salaah tayree, naam man vasaava-ay.  Naam jin kai man vasi-aa, vaajay sabad ghanayray).‘