This is App for learning Kala Bhairava Ashtakam chanting. Kalabhairava Ashtakam by Adi Sankaracharya is the hymn of praise of Kalabhairava (form of Shiva). This song is sung by Bhanu Didi (Bhanumati Narasimhan), Gurudev Sri Sri Ravi Shankar's sister. For learning (memorization), one sloka is usually listened to once and then it is repeated three times.
This app contains the text of the stotra and its translation from Sanskrit. This mantra gives fearlessness, increase auspicious qualities, removes distortions in the mind and more - for more details about what this mantra gives, see the text and the description of the application.