Kaalabhairava Ashtakam is a good looking Sanskrit hymn, composed by Adi Shankara. It comprises 8 stanzas; which can be regular of any Ashtakam. The hymn depicts the qualities of Kaala Bhairava of Kashi, the God of Death. This Bhairava is referred to as currently being black; with no garments; https://www.youtube.com/watch?v=S2iLMNuDYc0