drum and bass 
noun [mass noun]
A type of dance music characterized by bare instrumentation consisting largely of electronic drums and bass, originating in Britain during the early 1990s.You hear Eminem, drum and bass or dance music at all hours....
- Ska, dub, house, drum and bass, hip hop and UK garage have all been thrown in to The Streets' sampler for processing and rearrangement.
- Much of Truffaz's music utilizes elements of electronic music, primarily drum and bass - it's a fusion, if you will.