Thompson Square and Dustin Lynch are taking part in the Big & Best of 2012: A Year End Celebration on CMT.com and several other sites Wednesday. The eight hour live stream -- which highlights music, personalities and pop culture landmarks of the outgoing year -- will originate from New York, Nashville and Boston starting at 12:00 p.m. ET. Fans can watch it all happen live at CMT.com , MTV.com , VH1.com and ComedyCentral.com .

Taylor Swift will also sit down for an interview as part of the Big & Best of 2012 live stream.

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