Opened in august 2014 viennas first ever hard rock cafe operates on a first come first served basis a rule you get to break when you walk right in and snag a table use this skip the line voucher at the new hot spot and you wont have to commit to a reservation during your busy sightseeing schedule walk past the wait lines and head into the multilevel restaurant filled with violins electric guitars and other memorabilia of famous and local musicians such as andreas gabalier christina s