Youtube link https://youtu.be/gtoMAqiS22k
This great Siddha Kunjika Stotram (The secret song of perfection) is chanted before the reading of Devi Mahatmya. It is more tantric in nature and has been taught by Lord Shiva to Goddess Parvati.
Words of the prayer, Devanagari and general translation are given bellow in PDF: