found: Wiener Sängerknaben. 500 Jahre Wiener Sängerknaben [SR] p1998: container (Terence Wey, soprano)
found: Il Sant' Alessio, 2008: end credits (Terry Wey, cast member)
found: Boy Choir & Soloist Directory website, Aug. 6, 2008 (Terry Wey, boy soprano turned tenor; b. Sept., 1985 in Bern, Switzerland; appears on 500 Jahre Wiener Sängerknaben CD as Terence Wey)
found: Opéra national de Lorraine website, Aug. 6, 2008 (Terry Wey, countertenor)
found: Google search, June 15, 2010 (Terry Wey: ca. 2000 results; Terence Wey: 12 results)