O Oriens

'O Oriens' by Melissa Dunphy (b. 1980)
Live Fall COVID performance by the W&L University Singers, Shane M. Lynch, conductor
Rehearsed and performed with strict COVID precautions, including:
12' singer-to-singer distance in vocal airflow path with over 2m horizontal and diagonal distance
All singers with fitted KN95 respirators, with a new respirator for every gathering
ACH rate in stage area: 1.45 ACH with MERV 14 filtration moving in a linear floor input to ceiling output path. 5.075 relative ACH at 10' ceilings per ASHRAE COVID guidance in rooms with high ceilings
Time in concert hall limited to 30 minutes, with time for 3 empty hall air cycles before next group
Full electrostatic spray cleaning of concert hall following each rehearsal/performance
Be as safe as possible, always.