Wild Night for Wildlife Gala: 5 p.m. Saturday, Nissi’s, 1455 Coal Creek Drive, Unit T., Lafayette. Join for an unforgettable gala supporting thousands of orphaned, injured and sick animals that come through Greenwood’s door each year. Mingle with fellow wildlife enthusiasts, enjoy a decadent dinner and make a difference for creatures in need. Free-$175, 303-823-8455, greenwoodwildlife.org.

Barn Ghost at BOCO Cider: 6 p.m. Saturday, BOCO Cider, 1501 Lee Hill Drive, Unit 14, Boulder. BarnGhost is a four-piece Americana band hailing from the Colorado Front Range, featuring Russ Crossland on guitar and vocals, Paul Christophersen on drums, Chris Ringwood on bass and Allison Langley on mandolin, guitar and vocals. The group’s sound incorporates elements of traditional Americana roots, southern rock and country, drawing inspiration from artists like Ryan Adams, Jason Isbell and Gillian Welch. Free, 720-938-7285, bococider.com.

Espresso Gypsy Jazz at Full Cycle Café: 6:30 p.m. Saturday, Full Cycle Café & Bar, 2355 30th St., Boulder. Le Quartette du Hot Club de Boulder featuring Espresso Gypsy Jazz plays the bedazzling music of the French guitar legend Django Reinhardt. The group also performs the French romantic classics and the American Songbook and swing from the ’30s and ’40s. $20-$25, thetuneupevents.eventcalendarapp.com.

Fuelfed Coffee & Classics: 9 a.m. Sunday, Walnut and 8th, 1900 Eighth St., Boulder. Since 2010 Fuelfed Coffee & Classics has set the standard of what a focused enthusiast gathering should be. Not only the cars and unique locations, but the quality people it attracts. Fuelfed is proud to announce Coffee & Classics is now igniting in downtown Boulder. Free, fuelfed.wordpress.com.

Oktoberfest at St. Julien: 1 p.m. Sunday, St. Julien Hotel & Spa, 900 Walnut St., Boulder. Get ready to raise a stein and celebrate the second annual Oktoberfest at St. Julien. Nestled against the breathtaking Flatirons, guests will find the perfect blend of Bavarian tradition and Colorado elegance. Live music begins at 1 p.m. with the Alan Polivka Band playing polka and oompah classics. Tickets include a German-themed buffet, Schweinebraten (roast pork), Wurstl (Bavarian sausages & sauerkraut), Brezen (pretzels), Schnitzel, black forest cake and more. St. Julien will also offer prizes for best dressed and stein holder winner, while the kids can stay busy playing yard games. $29-$50, eventbrite.com.

Tween Graphic Novel Book Club: 3:30 p.m. Sunday, Meadows Branch Library, 4800 Baseline Road, Boulder. For this meetup, the group will discuss “Wings of Fire: Volume One,” by Tui T. Sutherland. Tweens are welcome to attend, discuss a different graphic novel each month and complete an activity related to the book. For tweens ages 9-12. calendar.boulderlibrary.org.

Los Lobos concert: 7 p.m. Sunday, Chautauqua Auditorium, 900 Baseline Road, Boulder. Five blood brothers who have dedicated their off-stage time to helping others, working for peace and justice, penning some of the most literate and important music of their time, transforming the hard cries from the East L.A. barrio into songs of hope, tales of common folk finding ways to endure makeup the famous Los Lobos. As proud Chicanos, their songs have always glistened with the distillation from their Mexican and Latin American roots —nourished by Norteña and rancheras, buoyed by bolero and cumbias, soaring on the rhythms of son huasteco and son jarocho. Los Lobos have helped spread the rich diversity of cultures across every continent, throughout the global community. $48, 303-440-7666, cli.re.