Third Annual Think Pink Rocks Concert on October 9 to Benefit Breast Cancer Research Charities BOCA RATON, FL--(Marketwire - September 28, 2010) -  Recording artists Asher Roth, Melanie Fiona, Ray J, and Shontelle, along with Pitbull, 50 Cent, Nelly, Flo Rida and DJ Cassidy, are donating...