Our noontime organ series moves to Sunday afternoons with 45-minute presentations by Arizona musicians. James Gerber’s program includes the Prelude and Fugue in D Minor (Op. 37, No. 3) by Felix Mendelssohn,: “O Mensch, bewein’ dein Sunde gross” by J.S. Bach, Master Tallis’s Testament by Herbert Howells, “Herzlich tut mich verlangen” (Op. 122, Nos. 9 & 10) by Johannes Brahms, Benedictus (Op. 59, No. 9) by Max Reger, Andantino from Pieces de Fantaisie (Op. 51) by Louis Vierne and Prelude and Fugue in C Minor (BWV 546) by J.S. Bach.