NKOTB will be making an appearance at an after-party at the Vision Bar Sands Bethlehem Event Center show on Thursday. According to the Radio station 100.7 WLEV, It says "To Get into the After Party, all you need is a ticket to the 6/11 show". They also have a few options to win tickets to the concert here.
Here is an article about the after party from Allentown Morning Call:
New Kids on the Block announce after-party at Sands Bethlehem Event Center show Thursday, chances to win tickets
When New Kids on the Block finishes its show at Sands Bethlehem Event Center on Thursday, the group will still be “Hangin’ Tough” at an after-party at the venue, the Sands has announced.
The event center’s Vision Bar and Bethlehem radio station WLEV-FM 100.7 will host an after-party that will include an appearance by the group.
To get into the after-party, you must have a ticket to the show.
At the after-party, a pair of suite-level tickets to New Kids’ sold-out show Saturday at the event center and a meet-and-greet with the band will be given away. Lehigh Valley DJ Cap Cee will provide music.
Tickets to Thursday’s show are $69.50 and available at www.sandseventcenter.com, www.ticketmaster.com or 800-745-3000.
The event center also is running a “buy-3-get-one-free” sale for tickets, meaning that if you purchase three at the regular price of $69.50, you get a fourth free. That’s four tickets for $208 – or $52 a ticket (plus tax and fees.)
WLEV also is running contests to win tickets to Thursday’s show. You can sign up at www.wlevradio.com, “like” WLEV on Facebook and/or follow it on Twitter, or text "KIDS" to 68683 (standard message rates apply). The deadline for all entries is 11:59 p.m. today.
On Thursday, early 2000s rapper Nelly, who had chart-topping hits with "Hot in Herre," "Dilemma" and “Ride wit Me,” will open the show. He’ll also be s supporting act on Saturday's show, and that bill will also include TLC, the second-best-selling female vocal group of all time. It had the hits “Creep,” “Waterfalls,” “No Scrubs” and “Unpretty.”
Cap Cee also will open the show.