Neto’s Tucson: Documentary Recognizes Role of Musical Figure in Chicano Rights Movement – Tucson.com, February 23, 2019

"Michelle Téllez, an assistant professor in Mexican American Studies at the UA, said that there are several lenses through which to view Sanchez’s activism....
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Sanchez, who often used the line “let’s educate, not incarcerate,” brought attention to a prison and penal system that was used unequally against Chicanos. He fought against student tracking, which typically meant that Chicano students were guided away from academic programs and into technical training. Sanchez spoke out against injustice and anti-immigrant legislation, and was effective in organizing neighborhoods, said Téllez, who grew up in the San Diego area and personally knew Sanchez."