Download Official U.S. Spotify App for iPhone, iPad

Spotify has announced its presence in the United States and has released the first official Spotify iPhone application as a free download from the iTunes App Store.

Spotify is said to be the fastest growing service of its kind.

It gives users buffering-free, on-demand access to a library of more than 15 million songs, as well as the ability to import the MP3s they already own with a single