Block party on University Hill and other Boulder events for today

Sep. 10—Block Party on the Hill: Rosenberg's Bagel and Deli is sponsoring the inaugural Rosenberg's Block Party, a concert featuring Sunsquabi, DJ Airwolf and more, beginning at 4 p.m. Saturday, outside at 13th St. and College Ave., Boulder; free; z2ent.com.

Rayback Collective's Birthday Bash: Rayback is celebrating its sixth trip around the sun with a beer fest with unlimited 2-ouce pours from more than 10 local breweries. Ahseli Brianne will provide the beer fest tunes and proceeds will benefit the Future Arts Foundation. Following the fest, will be a free concert by the Tenth Mountain Division and a special appearance from comedians at the Boulder Comedy Show; beer fest is 2-5 p.m., concert is 6-9 p.m.; $20; 2775 Valmont Road, Boulder; therayback.com.

Shark's Ink Open House: Join curator Hope Saska and Bud and Barbara Shark for breakfast, fun, music, and art. Meet some of the local artists in the "Onward and Upward: Shark's Ink" exhibit and create your own art; 10 a.m. Saturday, CU Art Museum, 1085 18th St., Boulder; Free; colorado.edu/cuartmuseum.

Mario the Maker Magician: Mario the Maker Magician brings his family theater experience full of homespun magic, handmade robots and modern slapstick to Boulder. Called "magic's punk-rock Peter Pan," Mario has appeared on Sesame Street, NBC's Universal Kids, and even live on tour with David Blaine, who calls him "the best kids magician in the world; 3 p.m. Saturday, Dairy Arts Center, 2590 Walnut St., Boulder; $10-$20; thedairy.org.

The 20th Annual Soul Rebel Festival: The annual grassroots reggae, Afro-pop, world, American roots music festival aims to bring cultural harmony, understanding and awareness through the positive medium of music and the arts to Boulder this weekend. Proceeds to benefit MESA (Moving to End Sexual Assault); 4 p.m. Saturday, Sunshine Acres, 6717 Valmont Road, Boulder, Boulder; facebook.com/SoulRebelFestival.

Fall ArtWalk in Longmont: ArtWalk is the Firehouse Art Center's yearly community festival that brings together local artists, businesses and nonprofits. It is an event that highlights art, economy and creating positive change in our communities. The party will shut down Main Street, turning downtown into a walking mall filled with art, music, activities and more; 4 p.m. Saturday, Firehouse Art Center, 667 4th Ave., Longmont; firehouseart.org.

Songwriter Showcase at Stone Cottage Studios: Local musicians Foxfeather, Dave Tamkin and Dechen Hawk will perform at this acoustic singer-songwriter showcase. Bring a chair or blanket and drinks and a picnic for this outdoor show; 7 p.m. Saturday, Stone Cottage Studios, 3091 7th St., Boulder; stonecottagestudios.com.

Power Playback Theater by Motus: Skilled improv actors elicit stories from the audience and recreate them on the spot, with sometimes hilarious, sometimes poignant results, during Motus Theater Company's "Power Playback Theater" performance at 7 p.m. Saturday at the Dairy Arts Center, 2590 Walnut St., Boulder; $15-$20; thedairy.org.