(c) 2007 - 2011 West High Entertainment Unit Parents Association About the Entertainment Unit Wind Ensemble This class enrolls the most proficient wind and brass players available. During the first semester, this class concentrates on marching band music and “pop” concert music. Sectionals are also run during this period. During the second semester, the wind ensemble performs class E-AA concert literature. Formal concert dress is provided. Size and instrumentation varies from year to year. Students are selected by audition and marching band music test grades in December/January. Private lessons are highly recommended and regular home practice is expected. Attendance at all rehearsals and performances are required.