Unhappy Hour: Social with Edgar Allan Poe-themed fun, music by Flicker & Flame, cash bar, light refreshments, 6-9 p.m. at Poe Museum, 1914 E. Main St. $8; museum members free. www.poemuseum.org.
Richmond International Film & Music Festival: Curated film and music festival at several venues around town. Ticket and pass prices vary. Go to www.rvafilmfestival.com for the full schedule. Through Sunday.
Neil deGrasse Tyson: Astrophysicist, author and science guru discusses “The Search for Life in the Universe,” 7:30 p.m. at Altria Theater, 6 N. Laurel St. $45-$250. etix.com or (800) 514-3849.
Mozart Festival: Classical Revolution RVA is taking over Scott’s Addition with eight performances of Mozart at neighborhood venues. Times and places vary. Go to www.classicalrevolutionrva.com for the full schedule. Repeats Saturday.
Something in the Water: First music festival from hip-hop star Pharrell Williams featuring 30-plus artists, including Diddy, Missy Elliott, Usher, Gwen Stefani, Snoop Dogg, Travis Scott, Migos, Dave Matthews Band and Chris Brown. Sold-out. www.somethinginthewater.com. Through Sunday at Virginia Beach.
Temple Grandin: In “Calling All Minds,” the well-known speaker will discuss her story and the lenses through which people with autism see the world. Hosted by the Autism Society of Central Virginia. 7 p.m. at Byrd Theatre, 2908 W. Cary St. $25. templegrandinascv.eventbrite.com.
Herbs Galore & More: More than 60 vendors selling herbs, annuals, perennials, heirloom plants, vegetables, trees, garden ornaments; food trucks; and more. 8 a.m.-4 p.m. at Maymont, 1700 Hampton St. $5 for marketplace; free for members. maymont.org or (804) 358-7166.