There are at least four different groups using the name EMP:
1. A finnish rap duo, members named Vokaali and Jay. They also belong to the Rähinä Records-collective.
2. EMP is a psychedelic trance project by Frank (Optick) & Vaughan (High-Voltage), based in Cape Town, South Africa.
3. EMP is a gangsta rap group from San Diego, CA.
4. EMP is a House/Dubstep DJ from Oakland, California Read more on Last.fm