Comfortable shoes and iPad 2s are making way for synthesizers and neck tattoos as South by Southwest shift gears overnight from interactive to music. The latter brings out much larger crowds, so the city is shutting E. 6th St. at midnight. Right now there are signs warning people to move their vehicles. Check out our Google Map of road closures after the jump.Click on a specific closure for more information, as most only apply during certain hours of the day and on certain days of the week.