Nocturnal Depression is a French underground black metal band that plays slow Depressive Suicidal Black Metal. The band is heavily influenced by Nargaroth, Forgotten Tomb, and Burzum. The article includes an interview with Herr Suizid, the band's lead vocalist and guitarist, where he talks about the band's name, inspiration for their lyrics, and their view on black metal as a way of life and thinking. The article also mentions the band's album 'Spleen Black Metal' and their lineup.