I got the information from Tele-Charge. I called to see if I could get another ticket for April 6th. The ticket seller had information going forward, as of April 8th. When I told her that I already had a ticket for April 6th, she transferred me to customer service. They credited my credit card and gave me an address where to send my ticket.
I did order a ticket for April 8th and I'm looking forward to seeing the show.
It's never too late to live happily ever after!