LOUISVILLE, Ky. (AP) — Grammy award-winning a cappella group Pentatonix will sing the national anthem at this year's Kentucky Derby.The group was announced Thursday for the 144th Derby, set for May 5 at Louisville's Churchill Downs. Pentatonix released its album, "PTX Presents: Top Pop, Vol. 1," on Friday.
Pentatonix to perform national anthem at Kentucky Derby