If you are a regular at the Artpark Tuesday night concert series in Lewiston, get ready to pay for those. The Tuesday night series is no longer free. Artpark tried the new pay model when Kansas came to town last year and decided to implement it for the full 2012 season. One big reason for the change is that bands are extremely expensive nowadays and venues have to pay the big price to bring the bands in. Hey, the way I see it….