Conductor Dr. Lawrence Stoffel leads the CSUN Wind Ensemble in the ‘That Was Then: Looking Back at the Past 50 Years of Band Music’ performance at the Plaza del Sol performance hall on Oct. 7. Their next performance will be on Nov. 14. Students taking music course 179B and 379B practice on Tuesdays and Thursdays. Students wishing to take the course and join the ensemble must first audition.