Contact 6 asks around about proof of vaccination requirements Contact 6 asks around about proof of vaccination requirements A lot of people are looking forward to summer festivals, stadium events, and travel. But, what will it take for our favorite events to return to normal? MILWAUKEE - A lot of people are looking forward to summer festivals, stadium events, and travel. But, what will it take for our favorite events to return to normal? Contact 6 reached out to several local venues about proof of vaccination requirements. If music brings people together, it’s no surprise The Cheap Shots are finding gigs hard to come by. Of the 20 festivals the Milwaukee cover band booked in 2020, every event was called off due to the coronavirus.