If you're a fan of live theater, book yourself some seats for a play or other stage show at Off Broadstreet Theatre. Look online for prices and times.
If you've got time to stop for a while in Nevada City, Off Broadstreet Theatre is a great place to start your exploring. This arts and culture attraction is one of numerous attractions that'll keep you busy here. Nevada County Fairgrounds, Scotts Flat Lake, and Empire Mine State Historic Park are also waiting for you nearby.