Wikipedia
HitQuarters
HitQuarters is an international music industry publication and contact database founded in 1999. It is noted for in-depth interviews with industry figures, with past subjects including Simon Cowell, Martin Kierszenbaum, Jason Flom, Diane Warren, Peter Edge, Ron Fair and RedOne, as well as its A&R and manager contact directory, free artist promo pages and song sale facility, demo reviews and A&R chart.
It is the sister site to the songwriting tip sheet SongQuarters.