Kelsea Ballerini celebrated the 100th anniversary of the Grand Ole Opry with a moving cover of Barbara Mandrell‘s 1981 tune “I Was Country When Country Wasn’t Cool.” Ballerini took the ...

CREDIT: Dave Simpson/WireImage, Astrida Valigorsky/Getty Images and Scott Legato/Getty Images Fans at Jack White‘s Tokyo show were surprised when Eddie Vedder joined the stage for a cover of Nei ...