Good news: Andy Grammer has been added to the lineup for the Echosmith concert at the Tyson Events Center in Sioux City on December 17 for what is now a co-headliner show.

Bad news: Rachel Platten will not be appearing at the show due to a scheduling conflict.

A local or regional artist will be added to the bill at a later date.

Ticket prices have also been lowered for the show to $25.Those who purchased tickets for $37 can retain their tickets and be part of a special VIP seating area at the Tyson Events Center the night of the show. VIP ticket holders will also receive a complimentary beverage of their choosing upon arriving at the show.

Those who initially purchased a $20 ticket can upgrade to a VIP ticket at the Tyson Events Center Box Office, or at their original point of purchase. Ticket buyers can also purchase a VIP ticket at the Box Office, online at TysonCenter.com, or by calling 800-514-ETIX (3849).

Or, for those who would prefer a standard general admission ticket at the $25 price level, a partial refund may be obtained at the Tyson Events Center Box Office, or at their original point of purchase.