Outside Lands too crowded or too expensive? Or you're going but still need more? Then come on out to Bootside Lands! Bootie will be spinning Outside Lands artists throughout the night, but with one big twist -- they'll all be mashed up, of course! It might not be the real thing, but it's way cheaper and you won't get sunburned! Plus Smash-Up Derby on the Main Stage at 11 PM, Ya Mamma's Basement in the Hip-Hop Lounge, and $7 cocktails and $10 cover before 10pm.

Launched in San Francisco in 2003, Bootie Mashup throws the biggest and best all-mashup dance parties in the world, mixing and matching pop songs both past and present. With its theme parties and clever mashup formula, Bootie Mashup has been an unstoppable juggernaut for nearly 15 years, winning numerous nightlife awards in multiple cities. Keeping your brain guessing and body dancing with creative song combinations, it's the soundtrack for the A.D.D. generation.