Among the songs: a 1958 tune called "Rumble" by Link Wray, one of the earliest musicians to use the distorted electric-guitar sound essential to metal.
The show even opened with a five-minute funk workout - a lightly-borne necessity, as Prince and his band endeavoured to set their sound levels after previous acts, including Tinie Tempah and Larry Graham, suffered from distorted bass and indistinct mixing.