The Cathedral Choir is embarking on a performance tour to Italy and offers this evening in the Cathedral of the Madeleine the concert program to be sung in Florence, Assisi and Rome. J. S. Bach’s motet for double choir Komm, Jesu, komm, BWV 229 will be featured in the first half of tonight’s program. The concert presents sacred choral music spanning many centuries and highlights composers from the United States including Leo Nestor, Russell Woollen, Shawn Kirchner and Stephen Paulus.