If you've been missing that special Rilo Kiley vibe in your life (and who hasn't?), maybe try out Hop Along.

MUSIC

Hop Along

Friday, 10 p.m.

Great Scott

1222 Comm. Ave., Allston

$12-$14, 21+, 800-745-3000

www.ticketmaster.com

Philadelphia’s Hop Along are a Saddle Creek Records band still keeping alive the emo-tinged indie pop of the 00s, at times sounding like a punkier Rilo Kiley, but basically just doing their own awesome thing, an irresistible mix of pop melody and noisy guitars rooted in the expressive vocals and complex lyrical tales of frontwoman Frances Quinlan. 

THEATER

'Guys and Dolls'

Through Saturday

Cambridge Family YMCA Theater

820 Mass. Ave., Cambridge

$16-$25, 866-811-4111

www.longwoodplayers.com

The Longwood Players present this classic 1950 musical, invoking an bygone America with pinstripe-suited gamblers, saucy dames, and a little bit of that old time religion—just to make sure no one has too much fun. Of course, they do anyway. The play’s irresistible charm has led to many revivals, and a longstanding place in the high school musical canon. 

ART

Guitar Heroes: Photographs from Behind the Six String

Through September 8

Panopticon Gallery

502c Comm. Ave., Boston

Free, 781-718-5777

www.panopticongallery.com

Rock n’ roll is as much a visual art as a musical art—you can’t just play guitar, you have to look cool while doing it. This basic law of rock is on display at this photographic show, all pictures of guitarists rockin’ it, both famous and not-yet-famous. The famous ones include Jimi Hendrix, Frank Zappa, Bruce Springsteen, Keith Richards, and others. 

COMEDY

Girl, Incarcerated

Fridays through May 22

ImprovBoston

40 Prospect St., Cambridge

$18, 617-576-1253

www.improvboston.com

If you’ve binge-watched through every episode of  “Orange is the New Black” and still want more women’s prison humor, you’ll love this show, in which ImprovBoston’s crack team of comics will invent a drama in “Galcatraz” out of whole cloth—now, whether you conceal a weapon in that cloth or trade it for cigarettes is up to you. 

MUSEUMS

Islands: Evolving in Isolation

Through April 2016

Harvard Museum of Natural History

26 Oxford St., Cambridge

$10-$12, 617-495-3045

hmnh.harvard.edu

This new year-long exhibition explores the biodiversity of islands, where the remoteness of the land allows evolution to take unusual paths. It was Darwin’s surveys of the Galapagos Islands, after all, that gave rise to the discovery of evolution itself. From creepy—the Komodo dragon—to adorable—the Malagasy lemur—islands contain some of earth’s most remarkable creatures.