Definition of "midsolo"

In live shows, he’s been known to climb atop amps midsolo and pogo exuberantly around the stage in BLK DNM leather pants, his hair a half-undercut, half-mad-Hokusai wave.

2015 July 13, Ligaya Mishan, “Capital Cities’ Spencer Ludwig Sings the Praises of the Lowly Wooden Spoon”, in New York Times‎

Less than a minute to go and she's chewing almost viciously, her stuffed cheeks all chipmunked out like Dizzy Gillespie's in midsolo.

2006, Ryan Nerz, Eat This Book