FILE - In this Monday, March 7, 2011, file photo, killer whale Tilikum, right, watches as SeaWorld Orlando trainers take a break during a training session at the theme park's Shamu Stadium in Orlando, Fla. More entertainers have canceled their appearances at SeaWorld Orlando following the recent release of a documentary that raises questions about the effects of captivity on whales. Representatives for Trisha Yearwood and Martina McBride confirmed Monday, Dec. 16, 2013, that the country singers have joined the ranks of recording artists who have pulled out of performing at the park’s February concert series, Bands, Brew and BBQ. (AP Photo/Phelan M. Ebenhack, File)