Thumbplay, a mobile entertainment content provider, has raised another $6 million according to a regulatory filing, reports peHUB.  

This brings the New York based startup’s total investment to almost $60 million.  Its investors include Bain Capital Ventures, SoftBank Capital, i-Hatch Ventures, Redwood Partners, New Enterprise Associates, Meritech, Brookside Capital Partners and Cross Creek Capital.

Thumbplay, provides all sorts of licensed mobile entertainment including MP3’s, Ringtones, Videos, Games and Graphics, from giant entertainment companies including EMI, Sony, Universal and Warner Music Group to users on a pay-per-content basis, or a subscription basis.

The company is also beyond the boundaries of the carriers.  Thumbplay can deliver content to virtually any customer with a plan at AT&T, Alltel Wireless, Nextel, Sprint, T-Mobile or Verizon.

It all depends on the phone though.  From browsing around on Thumplay’s site, you’ll notice – not surprisingly – Thumbplay can’t deliver to iPhones.