Symphonie VI: i. Allegro - Widor
Herzlich tut mich verlangen - Brahms
Litanies (1937) - Alain
Sabbato Sancto: Introït - Tournemire
Organ Book (Ten Pieces): x. Pasticcio - Langlais
Triptyque: ii. Trio - Langlais
Première Symphonie: iv. Scherzo, vi. Final - Vierne
Turkington is of course a premier master of sacred music in the United States, and enjoys a worldwide reputation as a teacher and musician.
Incidentally, I've been meaning to mention this, his Gregorian Chant Master Class is now offered through GIA. This is an indispensable resource, complete with a CD.