Popular summer after-work happy hour and entertainment destination, PM @ Penn Museum Summer Nights series returns this Wednesday, June 20, at 5 p.m. Summer Nights features weekly international music performances at the lush garden setting at Penn Museum (3260 South Street). It is also a good opportunity to visit the museum. Tickets are only $5 and include museum admission.

The series kicks off with a performance by Barakka, a Philadelphia-based group with Turkish roots. Barakka will present Middle Eastern folk and rock fusion sounds.

All Summer Nights performances take place in the Penn Museum’s Stoner Courtyard and occur rain or shine. Food and drinks are available for purchase at the venue. The series will run until August 29. For more information, go here.

Check out the full performance lineup (from www.penn.museum).

June 20 – Barakka
The series kicks off with this Philadelphia-based, multi-ethnic group specializing in Turkish folk-rock with a mix of eastern and western instrumentation including guitar, oud, drums, bass, darbuka, and keyboards. www.myspace.com/bariskaya

June 27 – Tres Compadres
This modern flamenco ensemble combines jazz and Latin influences with spirited dance rhythms for a vibrant live performance, with special appearances from flamenco dancer Inez del Mar, vocalist Farah Siraj, and jazz flutist Tim Shay. www.trescompadresband.com

July 11 – Zydeco-A-Go-Go
With Creole Zydeco and Cajun 2steps, this group combines funky New Orleans rhythm and blues and vintage Louisiana rock and roll into a spicy gumbo of irresistible dance music. www.wix.com/petegumbo/zaggwood

July 18 – Klingon Klez
Prepare for warp drive! This eclectic band plays good old-fashioned, heartwarming, rompin’, stompin’ fun-for-the-whole-family klezmer/funk fusion from other planets! www.klingonklezmer.com

July 25 – Magdaliz and Her Trio Crisol
This Latin ensemble is dedicated to the interpretation of folk and traditional music from all over Latin America and the Caribbean, using Puerto Rican boleros, Cuban sones, Mexican mariachi music, Colombian cumbias, Dominican merengues, and much more. www.triocrisol.com

August 1 – Incendio
A Latin world fusion group from Los Angeles, Incendio balances romantic Spanish guitar with rock-style energy and inspired on-stage improvisation. www.incendioband.com

August 8 – Minas
Presenting originals from their CD collection, as well as Brazilian classics, this duo displays multiple talents as vocalists, instrumentalists, and composers with an impressive grasp of awide range of Brazilian musical idioms. www.minasmusic.com

August 15 – La Pequeña Marimba Internacional
This family band focuses on Guatemalan folk music, but also include a smattering of international music like cumbria, merengue, bolero and more.

August 22 – Animus
This internationally acclaimed ensemble, led by Bill Koutsouros, offers an exciting fusion of ancient and modern music with traditional elements of Greek, Rock, Middle Eastern, Blues, Indian, Jazz, African, and more. www.animusmusic.com

August 29 – West Philadelphia Orchestra
An eclectic ensemble made up of Philly’s finest and wildest musicians, this group gets listeners moving with the poignant melodies and the frenetic, propulsive rhythms of Eastern Europe. www.westphiladelphiaorchestra.com