We know D.C. Get our free newsletter to stay in the know.

Happy Monday, everyone! Here are some highlights for the next few days from my site, Free in DC. As always, lots of super affordable things to do during the week! I’m especially looking forward to the Humanities Council 30th Anniversary Celebration on Tuesday evening. All events below are free unless otherwise noted.

One of this year’s NEA Heritage Award Winners, Jim “Texas Shorty” Chancellor, credited as the youngest fiddler to win the World Championship, performs live on the Millennium Stage at the Kennedy Center at 6 p.m. If you can’t make it there in person, you can also stream the show live online.

Green-minded folks 21 and up can mix and mingle at Green Drinks DC Happy Hour tonight, held at Java Green’s new Vegan Cafe, Cafe Green, on 17th near P from 6 to 9 p.m.

This week’s poetry and music open mic “The Garden” at BloomBars features She Seven. The all ages, donation-based event goes from 8:30 to 11 p.m.

Those who are able to get to the Metro Center area around noon can enjoy a free concert at 12:10 p.m. as part of The Church of the Epiphany Tuesday Concert Series. A trumpet-cello-piano trio performs the works of Brahms, Bach, Jobim and others. Donations welcome.

After work head over the Sumner School at 17th & M NW to celebrate the 30th anniversary of the Humanities Council of DC from 5:30 to 8 p.m. The event features presentations by “the voice of the Redskins” Frank Herzog, dancer Melvin Deal, and mural artist G. Byron Peck, and performances by poet Regie Cabico and violinist Anthony Hyatt. Afterward, mix and mingle at the free after-party at the Beacon Hotel.

The Affinity Lab on U Street hosts a book launch party for female entrepreneurs with Cait Clarke, author of Dare to Ask: The Woman’s Guidebook to Successful Negotiation. The event starts at 6:30 p.m.

The National Archives hosts a panel discussion about the Constitution at 7 p.m. NPR senior news analyst Cokie Roberts will be among the panelists.

Enjoy a free lunchtime performance of world music with Zamani Gallery on the tabla and rabad. The weekly “Happenings at the Harman” event takes from 12 to 1 p.m. at Sidney Harman Hall  in Chinatown.

Italian pioneering experimental musician Andrea Centazzo performs at the Kennedy Center’s Millennium Stage at 6 p.m., as part of the Sonic Circuits Festival. The experimental music festival takes place at venues throughout the D.C. area all week long.

Author, linguist, and Georgetown faculty member Deborah Tannen will be at the Borders at 18th & L NW at 6:30 p.m. to discuss her newest book on language, You Were Always Mom’s Favorite. Don’t let Tannen’s subject matter or her academic credentials scare you too much: She’s actually a very accessible and engaging writer.

One Lounge in Dupont hosts their first “Artist Vernissage”, where you can learn more about the works and processes of three Studio Gallery artists, from 6:30 to 8:30 p.m.

Poets Regie Cabico and Danielle Evennou host SPARKLE*, the monthly Queer-friendly open mic night at Bubsoys and Poets’ 5th & K location. There is a $4 cover for this event, which goes from 9 to 11:30 p.m.

Amy Melrose is the creator of Free in DC, a blog that highlights low-cost and free events in the D.C. metro area. For complete details about the events mentioned above, visit Free in DC or follow Free in DC on Facebook.