Tonus peregrinus. Vocal work Hanover and concerto ispirato

Tonus peregrinus, the foreign tone, refers on the one hand to an old psalm tone that was the basis of certain Gregorian melodies. On the other hand, Tonus peregrinus can also be a symbol for new or unusual sounds or sound combinations. Bach's famous oratorio composition Magnificat BWV 243 uses a melody in this tone in Suscepit Israel (No. 10), which forms the basis of the entire cycle. In the last line, the text of the work calls for reconciliati...