Ten lists of three international magazines: All About Jazz, Textura, and Cyclic Defrost, as one of the Best of 2007. The distinctive album forges a unique blend of classical, ambient, jazz, folk genres, and electroacoustic styles. Erdem recorded all of the compositions on the album in real-time, directly to DAT (Digital Audio Tape) without any overdubs, mixing, editing, post-processing, or the use of previously recorded material. All of the textures were created by the acoustic guitar played live and the signal of which was processed live. Erdem cites electric guitar players such as David Torn and Adrian Belew, Michael Hedges's the acoustic style, Harold Budd and Morton Feldman as specific influences for Altered Realities. Erdem's third album Wounded Breath was released in USA by Aucourant Records in December 2008. The album includes 5 of his prizewinning electroacoustic pieces which he had performed at prestigious contemporary festivals all around the world along with composers such as Paul Lansky and Morton Subotnick. In 2008, Erdem was commissioned by Bang On A Can-All Stars, one of the most well known New Music Ensembles, to compose a piece, which premiered at Merkin Hall, New York on 13 February 2008. Additionally, his compositions have been included on various labels like chmafu nocords, vox novus, quiet American, and OAR for various compilation albums, such as "ctrl-alt-del", which also included works by Scanner, Kim Cascone and Merzbow. He has released the album Sub City 2064 with Per Boysen, in Sweden. This work has been included in the “Best 20 albums of 2010” list on Blogcritics and Perfect Sound Forever magazines. The album has also been on the “Guitar Player Editors’ Top 3 CDs" list on the October 2010 issue. Helvacioglu has released the duo album Black Falcon with the Australian sound artist Ros Bandt in December 2010. This album has been included in the “Best albums of 2011” list" in the Blogcritics magazine. He has also released another duo album Resonating Universes in August 2011, this time with the Turkish harpist Sirin Pancaroglu. His solo sound installation exhibition “Freedom to the Black” has been premiered at ARTER in February 2012 and a book with the same title which includes the cd of the piece has been published. His album Eleven Short Stories which consists of his solo prepared piano pieces has been released by the American label Innova Records in March 2012. His solo album Timeless Waves