To play mp3 recordings of the passage from m. 15 to 50, click on the following:There are small differences of detail in the editions used in the performances; the David Munrow recording (EMI Classics CMS 7-64215-2, c1976; rpt.1992) was based on the Smijers Werken edition; the Capella Alamire performance (Dorian DIS-80131, c1995) was sung from the edition on this page.