Massive Attack is a British musical group formed in 1988 in Bristol. They are credited with pioneering the trip-hop genre, blending elements of hip hop, electronic music, and soul. Their debut album, 'Blue Lines,' released in 1991, received critical acclaim and featured hits like 'Unfinished Sympathy.' However, it was their 1998 single 'Teardrop' that became one of their most recognizable tracks, showcasing their signature sound with haunting vocals and atmospheric production. The group is known for their collaborative approach, often featuring various artists and vocalists in their work. Massive Attack continues to influence contemporary music and remains a staple in the electronic music scene.