Listen to Concerto IX b minor: Allegro online. Concerto IX b minor: Allegro is an English language song and is sung by Gunar Letzbor, Ars Antiqua Austria, Norbert Zeilberger, Markus Miesenberger, Pablo de Pedro, Fritz Kircher and Jan Krigovsky. Concerto IX b minor: Allegro, from the album The Mystery of Sign. Mouthon - 10 Concerti à 5, was released in the year 2010. The duration of the song is 0:52. Download English songs online from JioSaavn.