. "Entered from booking ledger and New York Times concert listing and review. According to the review, this was a program of guitar solos and duets, but neither the listing nor the review indicate which selections feature which performer/s.\r\n\"CONCERT AND OPERA PROGRAMS OF THE WEEK.\" New York Times (1923-), Oct 30 1960, p. 1. ProQuest. Web. 18 Aug. 2022.\r\n\"2 Guitarists Give Joint Recital.\" New York Times (1923-), Nov 05 1960, p. 28. ProQuest. Web. 22 Aug. 2022." . . . . . . . "1960-11-04T20:30:00"^^ . . "joint recital" . . . . . . "Etta Zaccaria and Gustavo López, Guitarists" . .