How does pre-registration work? January 24, 2020 16:44 Updated Start building your California Roots Music and Art Festival weekend here. Select your pass types. Invite your friends so that no one in your group misses out. Modify or cancel your request by Thursday, Jan 30. Sit back & relax. We will notify you by email once requests are fulfilled. Related articles What is the difference between FLEX and STANDARD? How do you select who gets passes? When does pre-registration end? I didn’t get passes from pre-registration, what are my options now? Can I buy a pass in pre-registration and in the on-sale?