The below text is taken from the Chopperfest website:

Chopperfest is a tribute and celebration to the artist and friend David Mann. The 12th Annual Chopperfest will be held Sunday December 13th 2015 at the Ventura County Fairgrounds in Ventura CA from 8am-4pm. 
The event features: A very special Motorcycle Art Exhibit, an All Brand Antique and Custom Motorcycle Show; Custom Bike Builder Displays featuring World Class Bike Builders; Hundreds of Motorcycle/Culture Vendors; a New and Used Motorcycle Parts Swap Meet; Live Rock and Blues Bands including Gilby Clarke Band and Harlis Sweetwater Band; Food and Beer. General admission is $15, Military with ID $10, kids 12 & under $5