. "1968-03-31T20:30:00"^^ . . . "Presented in association with League-ISCM\r\nAll-Roger Sessions Program\r\nWORLD PREMIERE of Roger Sessions' SIX PIECES FOR CELLO\r\n\r\n" . "League/ISCM Concert: The Continuing Avant-Garde (Rogers Sessions' Birthday Concert)" . . "chamber music performance" . . .