Long ago, at least it seems that way, I had a sound company that provided location sound reinforcement.
Here is a listing of most of the folks we provided sound for. (In general - it was lots of work - and lots of fun)

Groups etc.:

Aerosmith,  Albatross, Allman Brothers, Ambergris, Aztec Two Step, Chuck Berry, Boffalongo, Howard Burson The Byrds, Boys of the Lough, The Chiffons, Alice Coltrane, James Cotton Blues Band,

Larry Coryell, Papa John Creach, The Crystals, Danny and the Juniors, Miles Davis, Jim Dawson, Jack DeJohnette, Dreams, Earth Wind And Fire, Duke Ellington, John Fahey, Mimi Farina and Tom Jans, Roberta Flack, Fleetwood Mac, Friends of Distinction, Friends and Strangers, J. Geils Band,

Grin, Freddie Hubbard, Ian and Sylvia, King Harvest, Buzzy Linhart, Nils Lofgren, Taj Mahal, Mahavishnu Orchestra, Melissa Manchester, John Mayall, John McLaughlin, Don McLean, McKendree Spring, Melanie, Buddy Miles, Modern Jazz Quartet, Mott the Hoople,

National Israeli Song Festival, New Decade, Randy Newman,N.R.B.Q., Pearls Before Swine, Dave Van Ronk, Loudon Wainwright III, Jerry Jeff Walker, Randy Newman, N.R.B.Q., Pearls Before Swine, Poco, Procol Harum, Bonny Raitt, Randall `s Island, Rascals, Buddy Rich,

Smokey Robinson and the Miracles, Pharoah Sanders, Boz Scaggs, Earl Scruggs Revue, Seals and Crofts, Seatrain, John Sebastian, Sha Na Na, Jim Spherris, Steelwind, Swingle Singers, Livingston Taylor, Happy and Artie Traum, Ike and Tina Turner Revue, Hank Williams Jr.

Classical etc.

Roberta Peters, Milton Cross, Lauren Hollander, Jan Pierce, John Browning, Aaron Rosand, Ewa Dobrowski, Judith Raskin, Les Brown, Governor Rockefeller, Daniel P. Monyihan, Marian McPartland, Isaac Asimov

With Others:

Ella Fitzgerald, Jefferson Airplane, The Beach Boys, Marvin Gaye