This is Episode No. 100 of “Music for a While.” To mark the occasion, Jay presents music associated with that number: 100. So, we can consider this a centennial celebration.Bach, “Darum wir billig loben dich,” from the Cantata BVW 130Dvořák, Scherzo from Sonatina for Violin and Piano, Op. 100Bach, “Er ist mein Licht, mein Leben,” from the Cantata BVW 100Haydn, Presto, from Symphony No. 100 in G major, “Military”Beethoven, “Merkenstein”Prokofiev, Allegro marcato, from Symphony No. 5Mozart, Serenade No. 1 in DBrahms, Sonata for Violin and Piano No. 2 in A majorSchumann, “The Bride of Messina,” Overture in C minorShostakovich, “Little Stars” from “Spanish Songs”arr. Vaughan Williams, “Old Hundredth Psalm”