You can find all albums of Ratzinger on this page.
Ratzinger knows in genres Instrumental, Classical.
Or site contains 2 albums of Ratzinger.
Collegium Aureum Edition (CD8: Biber - Missa Sancti Henrici, Sonatae Tam Aris Quam Aulis Servientes)
2011
Hassler: Geistliche & Weltliche Vokalwerke
2009