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Trace Adkins won't be performing at SeaWorld Orlando as planned. 

The "Orlando Sentinel" says the country star is the latest artist to pull out of the park's "Bands, Brew, & BBQ" concert series.  He was scheduled to perform at the event on March 2nd.  But a rep for Adkins says "Trace prefers that the focus of his performances be on music, not on controversy." 

A number of stars, including Willie Nelson, Trisha Yearwood, and Martina McBride, have also cancelled SeaWorld shows in recent weeks. 

The cancellations come in response to an online petition and Facebook campaign sparked by the documentary "Blackfish" about the 2010 incident in which an orca killed a SeaWorld trainer. 

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