To hear Healey Willan: Aeterna Christi Munera performed by John Tuttle at the 1928 Welte; 1964 Möller; 1983 Gould & Sons organ of the Episcopal Cathedral of St. Mark, Minneapolis, MN, click here, then click on "8204, Part 1," then hold button and slide to 4:19 (4 minutes and 19 seconds).
Performance of Healey Willan: Aeterna Christi Munera performed by Patrick Wedd at the 1915/1996 Casavant organ, Opus 615, of Saint Jean-Baptiste Church, Montreal. [BNQ] [BM] (info).