It is easy to understand why musicians on the road feel the need to deliver not just a concert, but an event. Ticket prices have climbed and the ability to transport ornate stage setups and special effects - combined with healthy performer gravitas, a typical summer concert in 2008 consists of equal parts sonic experience and eyecandy. The Raconteurs' stop at the Bank of America Pavilion on Tuesday night, however, was two times the throwback......