VIDEO : Musicians React to Country Star Glen Campbell's Death

Musicians are mourning the loss of Country star Glen Campbell, who passed away at the age of 81. Brad Paisley tweeted "You were a shining light in so many ways." Blake Shelton offered his condolences to the family and Sheryl Crow lamented the loss to the music community. Campbell died following a long battle with Alzheimer's. During his career, he sold over 45 million records and was inducted into the Country Music Hall of Fame in 2005.