. . . . "tribute" . . . "1956-04-29T17:30:00"^^ . "duo recital" . . . "Mack Harrell, Baritone, and Sergius Kagen, Composer-Pianist" . . "Entered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE WEEK.\" New York Times (1923-Current file), Apr 29 1956, p. 137. ProQuest. Web. 16 Mar. 2021.\r\nParmenter, Ross. \"Music: Mack Harrell Gives Recital: Baritone's Program is Tribute to Friedberg Francescatti is Heard Jazz by Erroll Garner Songs by Kagen among Compositions Heard Marco Sorisio Sings.\" New York Times (1923-Current file), Apr 30 1956, p. 18. ProQuest. Web. 17 Mar. 2021.\r\n" . .