Official STS9 After Parties — Euphonic Conceptions put together three massive “till-daylight” Re:Creation after parties at the Gothic in conjunction with the STS9 three-day run at the Wells Fargo Theatre. Dec. 29 features Bluetech, Flying Lotus, Emancipator and Martyn. Dec. 30 acts include The Glitch Mob, Tipper, Mimosa and Dave Seied and Dec. 31 with Madlib, Starkey, Heyoka, Ras G, Future:Simple:Project and Sub.Mission D. Prices vary. Three-day passes are available now on STS9.com for $60. 16 only. Gothic Theatre, 3263 S. Broadway, Englewood, 303-951-6705.
Dennis-Tobias Band — Featuring rock, pop and funk music. On Dec. 31 at Mary’s Lake Lodge, 2625 Mary’s Lake Rd., Estes Park, 970-586-5958.
New Year’s Eve Grand Ball — Enjoy a lavish dinner buffet at this semi-formal ball at the historic Stanley Hotel. The night features music by the Steve Manshel Band and a complimentary champagne toast at midnight. 21 only. $125 per person. 7:30 p.m. The Stanley Hotel, 333 Wonderview Ave., Estes Park, 970-577-4004.
Carolina New Year’s Eve — With DJ Rock Coast, hors d’oeuvres and a champagne toast. All donations, non-perishables will benefit Larimer County Food Bank. 8:30 p.m. No cover. Avogadro’s Number, 605 South Mason St., Fort Collins. 970-493-5555
New Year’s Eve at Keystone — Murder mystery dinner at Keystone Lodge & Spa at 8:30 p.m. for $125/person. Rooms starting at $199. Fireworks at 6 p.m. and 10:30 p.m. in Lakeside Village. Keystone Lodge & Spa, 22010 U.S. 6, Keystone, 970-496-4500.
Eric West — Musical entertainment for children followed by a parade around the museum. Crafts and refreshments. 11 a.m. to 1 p.m. WOW Children’s Museum, 110 N. Harrison Ave., Lafayette, 303-604-2424.
The Informants — Includes hors d’ouevres, buffet and champagne toast for $75. 7:30 p.m. to 12:30 a.m. Nissi’s, 2675 Northpark Dr., Lafayette, 303-665-2757.
Belly Dance at Flavor of India — For some exotic flavor dine on garlic nan and chicken curry and watch a belly dance New Year’s Eve show. 7 p.m. Flavor of India, 516 Main St., Longmont, 303-682-9010.
Nuncrackers —The Nunsense Christmas Musical. Tickets range from $23 to $32. 6 p.m. Jesters Dinner Theatre, 224 Main St., Longmont, 303-682-9980.
Blue Mountain Ranch Hands and Romano Paoletti Band. 9 p.m. to 12:30 a.m. Oskar Blues, 303 Main St., Lyons. 303-823-6685.
New Year’s Eve at Peaceful Valley Ranch — Round up the family for hayrides with a hot beverage around the ranch, appetizers, cowboy music, a gourmet meal, a magic show with Scott McCray and music by Chris King. Champagne toast and a balloon drop at midnight. 2 p.m. to 1 a.m. Peaceful Valley Ranch, 475 Peaceful Valley Rd., Lyons, 303-747-2881.
Fizakat — Featuring live music to ring in the New Year. 10 p.m. First Street Pub & Grill, 35 E. First St., Nederland. 303-258-0782.
Mountain Standard Time — Reset your clocks with this local band that plays bluegrass, jam and funk. Tickets are $10 for this all ages show. Stage Stop Inn, 60 Main St., Rollinsville, 303-258-3270.
New Year’s Eve Bash. Niwot Tavern, 7960 Niwot Rd., Niwot, 303-652-0200.