Guru Nanak Dev, the founder of the Sikh religion had composed Japji Sahib and it is printed on the beginning page Guru Granth Sahib Ji. Japji Sahib is enumerated by Sikhs every morning regularly as their main song of God. It is also treated as the holy Gurbani or Salok or Nitnem Bani and listened and recited by Sikh people with great respect and gratitude.