Status Quo - Plymouth Guildhall (1973, my first gig)
Queen - Plymouth
Genesis - Plymouth
Sparks - big tent in Central Park
Pink Floyd - several times
Uriah Heep -Plymouth
Def Leppard and Whitesnake at Genting Arena 2015
Dolly Parton - Nashville (she was terrific)
Chuck Berry - Buxton
Metallica - Download
Many more but these stand out as each has particularly fond memories.