Fourth of July
Sunset by the Lake summer concerts 6-8 p.m. Sundays through September, Pleasant Hill City Hall lawn, 100 Gregory Lane. July 7: Spinout. 925-671-5229, firstname.lastname@example.org, www.pleasanthillconcerts.com.
Free Downtown Plaza concert series 6:30-8:30 p.m. third Thursdays through September, between Sweet Tomatoes, Jack's Restaurant, Pleasant Hill. www.shopdowntownpleasanthill.com/.
Downtown Martinez Ghost Walk, 8 p.m. June 28, 649 Main St., Martinez. Guided walking tour of hidden past, learn facts, tales of days gone by. Bring flashlight. $25. 925-228-3577, ww.mainstreetmartinez.org.
Clarinet Fusion 2-3:15 June 30, Martinez Senior Center, 818 Green St. Light buffet follows. Senior center members $5, nonmembers $8, by June 21. 925-370-8770.
Vote for Martinez
Help spruce up Main Street in Martinez when you cast your vote for the Benjamin Moore "Main Street Matters" contest. Vote once a day at www.paintwhatmatters.com by June 30.
Church splash day
NorCal Christian Singles Network Family Day 11 a.m.-5 p.m. June 29, Waterworld California, 1950 Waterworld Parkway Concord. $20.99 includes admission, concert, more. Use promo code churchsplash. Tickets: http://churchsplashday-zvents.eventbrite.com.
Concord-East Bay Coin Show 10 a.m.-6 p.m. June 28; 10 a.m.-5 p.m. June 29, Clarion Hotel, 1050 Burnett Ave., Concord. Coins, currency, jewelry, medals, stamps. Free appraisals. $3 for both days. 925-371-7605, www.norcalcoinshows.com.