The phrase "musical guest" refers to a musician or band who performs on a television show, concert, or event. They are invited to provide the entertainment with their music. Full definition
The artist will be in attendance along with a surprise musical guest performance. (quintgallery.com)
Many of these also offer live entertainment with world - famous musical guests and shows as well as day spas and excellent restaurants (featuring local seafood). (drivethenation.com)
Each installment in the series features a different musical guest. (hamptonsarthub.com)