« All Events This event has passed. Rehearsal #4 October 18, 2021 « Sinfonia Retreat at Lake Washington High School Cadet Retreat at Lake WA High School » Check your ensemble page for specific location and rehearsal time. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: October 18, 2021 Event Categories: Cadet, Debut, Flute Choir, Flute Orchestra, Percussion, Philharmonia, Premiere, Rehearsals, Sinfonia, Youth Symphony Related Events Fall Retreat (Sinfonia) October 25 @ 9:00 am - 12:00 pm Fall Retreat (Premiere) October 25 @ 12:30 pm - 3:30 pm Fall Rehearsal #6 October 27