I learned about Wix.com from my weekly Website Magazine e-newsletter.

It was very easy to sign and begin building your own Flash site.

http://www.wix.com

They have really nice Flash audio players. Like this one:

http://www.wix.com/music/Cassette_Comment?orgDocID=LqYeeQdsW1I-a&experiment_id=empty&wsess=eE145_4l09tI9mKRaFaDE0fP_kt24f0FxV1kUZm8ryQMUUkGFGYmUCsOqALR_M6yLN58OLyhgnE-a&wixComputerID=Sul%2B%2BObnKGyLjFVhvWbvDA7dtBMlGinLD3h%2FO7gvQuXr%2FC9Ymmkw5L2nhFlu%2BHUXr7qVqcylR5QhGviADWmU6A%%&gu_id=76d42266-ffc5-4e12-b99d-092e2cf078f9&partner_id=WMGs4POB1ko-a

Contacted company and there's no API for web applications. So, I can't use in my karaoke app.