20th Century Masters at the Harris Theater is sold out.  A limited number of stand-by vouchers will be available the day of the performance.  Stand-by vouchers do not guarantee admittance.  Stand-by voucher holders must be in line at the designated locations one hour prior to curtain.  stand-by vouchers holders may be granted a seat should any reserved ticket holders not be present at the time of seating.  Ushers will direct voucher holders to these locations.  If the reserved ticket holder arrives, the voucher holder will be asked to forfeit the seat.  To obtain a stand-by voucher, patrons may visit the Harris Theater Box Office at 12 noon on the day of the performance until supplies last.