Powerhouse is a Chicago, Illinois house collaboration between producer and DJ Lenny Fontana and vocalist Duane Harden. "What You Need," a track on which they both shared production and writing credits, and which sampled Thelma Houston's "I'm Here Again," went to #1 on the Billboard Hot Dance Music/Club Play chart in 1999. It peaked at #13 in the UK Singles Chart. The track was remixed by Full Intention.