William Schuman — Chester (1956), based on William Billings; David Maslanka — Montana Music: Chorale Variations (1993); Michael Gilbertson — Usonian Dwellings (2019), I. Taliesin West, II. Fallingwater; Kevin Krumenauer — Chamber Symphony (source-announced world premiere). The programme list spells Krumenaer; discrepancy disclosed, not silently canonicalized. Historical Billings, architect Frank Lloyd Wright, generic artist biographies and concert-service staff are not invented performers. Admission explicitly free; confirm capacity, registration and presenter terms. Printed physical location: Sam Adams Park at Faneuil Hall. Studio 401/T401 is at 31 Hemenway; Studio 106 is at 132 Ipswich. Broadcasts, calendar-slot ends, masterclasses and repeated body dates are not extra performances or asserted runtimes.