This week the first 3D-printed gun was fired, closely followed by a US government ban on the blueprints allowing people to download and print one for themselves. Read on for our roundup of the past seven days plus the Dezeen Music Project track of the week. More about This week on Dezeen
This concrete staircase into the air by Lisbon architecture studio Ateliermob functions as a riverside amphitheatre on the banks of the Tagus in central Portugal (+ slideshow). More about Rio de Moinhos Open-Air Theatre by Ateliermob
Calling all musicians! Dezeen Music Project is looking for original tracks to play at new design show INTRO NY in New York next week, where we're providing the sounds. If you’re a musician, composer, DJ or producer, we want to hear your best party music. More about Dezeen Music Project: call out for new tracks to play in New York
Product news: the seat of this chair by London design duo Raw Edges for Italian brand Moroso is made from a single loop of material. More about Kenny by Raw Edges for Moroso
This house track by Tel Aviv-based producer Kobi Glas features a prominent vocal from the jazz classic You Go To My Head, originally recorded by Teddy Wilson and Nan Wynn - though Billie Holiday's version is probably better known. This version of the song was sung by Alex Maclaine.
The track is taken from his new EP Mundo Inteiro, released this year on 5000records, which you can download in full here.
You can listen to more tracks by Kobi Glas on Dezeen Music Project here.
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More about Dezeen Music Project: You Go To My Head by Kobi Glas
News: the Museum of Modern Art in New York is to reconsider its decision to demolish the former American Folk Art Museum next door following an outcry from architects, conservationists and critics. More about MoMA pulls back from plan to raze former folk art museum
Six windows with rustic white wooden shutters feature in this renovated living room by Dutch designer Bo Reudler. More about New Amsterdam interior by Bo Reudler Studio
News: blueprints for the world's first 3D-printed gun have been taken offline at the request of the US government. More about US government blocks downloads of 3D-printed gun
This apartment block in the Iranian town of Mahallat was constructed using the otherwise useless offcuts from local stonecutting businesses. More about Apartment No. 1 by AbCT
Product news: furniture brand Vitsœ has reissued a classic chair by German designer Dieter Rams, the former head of design at Braun. More about Dieter Rams 620 Chair Programme relaunched by Vitsœ