When it comes to winning a Grammy Award, winners are based on votes from industry insiders, so we never who actually wins until the envelopes are opened. Shazam however, thinks it can predict who'll win in the major categories, because they were right in three out of four of them.

The music tagging app says we should pay attention to their predictions because they're based upon the number of times the songs were tagged throughout the year. Here's what they're predicting:

Record Of The Year will go to Robin Thicke featuring T.I. and Pharrell for "Blurred Lines"
Song Of The Year will go to Pink featuring Nate Ruess for "Just Give Me A Reason"
Best New Artist will go to Macklemore & Ryan Lewis
Best Country Album winner will be Taylor Swift for "Red"
Best Rap Album winner will be Macklemore & Ryan Lewis's 'The Heist'

Last year Shazam was right in saying Gotye's "Somebody That I Used To Know" would win for Record Of The Year, fun. would win for Song Of The Year and Best new Artist, the only category they missed in was Album Of The Year, it went to Mumford & Sons instead of the predicted fun.

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