For those of you new to Shanghai, ALTER. is one of Shanghai's popular party-lifestyle-music brands known for attracting Shanghai's most beautiful and free-spirited denizens. After a three-year hiatus on international bookings, ALTER. raises the stakes this Halloween with Berlin's very own DJ Tornado Wallace from Basic Spirit. And the beats don't stop there; the local lineup's on fire with acts like ALTER. Soundsystem, Ben Huang, Ben NRG, Nanofauna, Knopha, and WC7. This epic party stretches across 2 nights and a day, all with those killer rooftop views of the city skyline. Dress up, but dress however you want.