From the classics of Rachmaninoff and Schubert, to the dynamic sounds of the 1960s TV series Batman, to a moving composition honoring last yearβs Pulse nightclub victims, thereβs something musically for most everyone at next monthβs ΒιΆΉΣ³»΄«Γ½ Celebrates the Arts festival. The performers at the April 7-14 festival will be just as varied, with presentations by university choral groups, orchestras…