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

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