What makes My Angel by Arcturus notable?

This EP is significant for its innovative approach to black metal, incorporating elements of progressive and avant-garde styles that would influence future artists in the genre. 'My Angel' has been recognized for its complexity in composition and is often cited in discussions about the evolution of black metal during the early 1990s. Released in January 1991, 'My Angel' marked Arcturus' debut EP following their formation in 1990. At this time, the band was beginning to carve out their niche within the burgeoning Norwegian black metal scene, establishing themselves as pioneers of avant-garde metal.