Austin Chronicle says, "Martinez has the songs, the looks, and the smooth-as-flan vocals.."

Here are a few of corporations, festivals, and entities which have enjoyed the performances john Arthur martinez' at their social function:

Nations Bank	American Express	Sarah Lee	Microsoft	First USA
Taylor Electric/Gould	Huber Corporation	H.E.B.	First Interstate	Texas Chevrolet
Kappa Alpha Fraternity	University of Texas	University of Arizona	Southwest Texas State University	Texas Republican Party
Texas Democratic Party	U.S. Olympic Committee	American Cancer Society	The Backyard (Austin)	Live Oak County Fair & Rodeo
Bluebird Cafe (Nashville, TN)	Ed's River Palace (Johnson City)	The Broken Spoke (Austin)	Leon Springs Dance Hall (S.A.) Stetson's	Ozona's (Dallas)
London Hall (London)	Neufeld Biergarten (Vienna)	Joplin City Limits (Joplin, MO)	Gin-U-Wine Oyster Bar (Bastrop)	Barton Creek Country Club
Horseshoe Bay Resort	Riverplace Country Club	Texas Wine Festival	Texas Folklife Festival	Texas Music Festival
Llano County Rodeo	C.A.S.A.	Chilimpiad	Flores Country Store	Dallas Civic Center
Denver Chamber of Commerce	Dallas All-Sports Association	TC Ranch, (Johnson City, TX)	Lufkin Rodeo	Merrill Lynch