Develop Website like ReverbNation.com

Hello. I need a very professional team to create and develop a website with all features of www.reverbnation.com. Please, if you don't know this website, and its features, go study this website deeply before offering your services. I also need to see a nice portfolio with something close to the website I need. Comunication must be 24hs, easy and fast. After agreeing with budget, I can only pay it task by task, no 30% or 50% down payment possible.