Bewitching — Halloween Extravaganza: 6 p.m., Macky Auditorium, - 1595 Pleasant St., Boulder. Enjoy haunting melodies and thrilling orchestral arrangements that will entertain audiences of all ages. From eerie classics to beloved film scores, this Halloween performance will leave audiences spellbound. Be ready for trick-or-treating and a live, orchestra-accompanied costume parade. $25, 303-449-1343, boulderphil.org.

Dark Victorian Tales: 5:30 p.m., Meadows Branch Library, 4800 Baseline Road, Boulder. It’s story time for adults. Take a step back in time for this parlor-style literary event that features dramatic readings of spooky vintage literature -including short stories, poems, folktales and more. Selections include works by authors such as Edgar Allan Poe and Emily Dickinson, as well as lesser-known artists. calendar.boulderlibrary.org.

Wednesday Waltz Etc.: 6:30 p.m., Avalon Ballroom, 6185 Arapahoe Road, Boulder. Wednesday Walt Etc. presents a special Halloween dance with live music by the fabulous piano-violin duet of Rodney Sauer and Sandra Wong. Wear a costume, and enjoy the evening as the duo play waltzes, swings, foxtrot, mixers and line dances for dancing. No partner necessary. All levels and ages welcome. $15, swingcircleboulder.com.

Munchkin Masquerade: 3 p.m. Thursday, Pearl Street Mall , 1200 Pearl St., Boulder. Each year, Downtown Boulder is invaded by tiny ghosts and goblins, dinosaurs and dragons, fairies and princes, superheroes and animals of every size trick-or-treating along Pearl Street. Recommended for children ages 12 and under. Free, 303-449-3774, boulderdowntown.com.

Spooky Halloween songs and stories: 4:30 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Enjoy a Halloween sing-a-long and stories with Amy Haywood. Fun for young kids and old geezers. Wear a costume and come howl. calendar.boulderlibrary.org.

Speakeasy Halloween: 5 p.m. Thursday, License No. 1, 2115 13th St., Boulder. Get dressed up in costume and bring friends to a speakeasy Halloween. Enjoy craft cocktails, live music from Hunter Stone & Friends and costume contests. Free, 303-442-4880, cli.re.

Queer Horror Cinema: 6:30 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Join for the final film screening in the Queer Horror series. This week’s pick is 2014’s “The Babadook.” Aside from being a queer icon, Mr. Babadook is the terrifying antagonist of a deeply moving, frightening and masterfully crafted film. In addition to free snacks, the library will be giving away fun prizes in coordination with Building 61. calendar.boulderlibrary.org.

The Goonies Halloween Adventure at The Velvet Elk Lounge: 8 p.m. Thursday, The Velvet Elk Lounge , 2037 13th St., Boulder. Celebrate Halloween with The Goonies Halloween Adventure. Join for a thrilling night featuring live music by The Goonies, costume contests with exciting prizes and unbeatable drink and food specials. Based in Boulder, this four-piece rock band will rip shirts off with its shredding guitar solos and unravel any sense of space and time. $19, 303-993-8743, etix.com.

Teen Novel November Kickoff Party: 3:30 p.m. Friday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Learn about National Novel Writing Month and how to join the exciting challenge of writing a book in one month. The library will give out writing notebooks (while supplies last) for those who like to hand write their stories. There is no pressure to finish once started, so come try it out. For grades 6-12. Pizza (regular and gluten free) will be provided. calendar.boulderlibrary.org.