Kesha planned to perform a cover of Bob Dylan's "It Ain't Me Babe" at the Billboard Music Awards, but her performance has been cancelled by Dr. Luke's label. Kesha was in a legal battle with producer Dr. Luke over sexual abuse allegations. The singer is still trying to get out of her exclusive record agreement with Dr. Luke's label, Kemosabe Records, which is affiliated with Sony Music. Kesha says she had no intentions of bringing up her legal feud with Dr.