In this Guru Purnima, tune in to this melodious Guru Mantra popularly known as Guru Ashtakam and sing along with the help of lyrics only on Rajshri Soul. <br /> <br />Adi Shankaracharya, the famous saint-philosopher, has composed many hymns and stotras on Advaita Vedanta themes. But he has also composed several devotional hymns on various Gods and Goddesses. One such hymn is the Guru Ashtakam, a hymn with 8 verses in praise of the Guru.