Chorales

10 clues
Hymns
Bach works
Church hymns
Church melodies
Masses at Masses
Church renditions
Sacred voice music
Bach hymn arrangements
They often have four parts
Bach pieces in four-part harmony
Similar answers:
Abcanchor
Achoruslien
Achorusline
Adsales
Adultmales
Airedales
Airytalese
Albertogonzales
Ales
Alese
Aleseat
Aleshop
Alesia
Aless
Alessandro
Alessandrovolta
Alessio
Alessonbutimnot
Alessondying
Alestake