World-renowned cellist Carlos Prieto ’59 returned to campus for an event to perform and to discuss his new memoir, “Mi Vida Musical.” At the April 9 event in the Samberg Conference Center, Prieto spoke about his formative years at MIT and his subsequent career as a professional cellist. The talk was followed by performances of J.S. Bach’s “Cello Suite No. 3” and Eugenio “Toussaint’s Bachriation.” Valerie Chen, a 2022 Sudler Prize winner and Emerson/Harris Fellow, also performed Phillip Glass’s “Orbit.” Prieto was born in Mexico City and began studying the cello…