not seen this mentioned on here, but those in the US can now use Googles Match service when uploading music
http://techcrunch.com/2012/12/18/go...match-like-scan-and-match-feature-in-the-u-s/
http://techcrunch.com/2012/12/18/go...match-like-scan-and-match-feature-in-the-u-s/