View credits, reviews, tracks and shop for the CD release of "Istanbul" on Discogs. Istanbul. Mark O'Leary, Erdem Helvacıoğlu. Relaxation · Preview. Song. Time. West. 1. PREVIEW. River. 2. PREVIEW. Bridge. Mark O'Leary and Erdem Helvacıoğlu. Relaxation · Preview. Song. Time. West. 1. PREVIEW. River. 2. PREVIEW. Bridge. 3. PREVIEW. Check out Istanbul by Mark O'Leary, Erdem Helvacioglu on Amazon Music. Stream ad-free or purchase CD's and MP3s now on Mark O'Leary, Erdem Helvaciouglu - Istanbul - Music. some experience from this project so when Turkish musician Erdem Helvacioglu suggested a. Mark O'Leary - Erdem Helvacioglu - Istanbul - Reviews Igloo Magazine Igloo:: Electronic Music Magazine. Listen to Istanbul on Spotify. Mark O'Leary · Single · · 4 songs. RiverMark O'Leary, Erdem Helvacioğlu. 3. BridgeMark O'Leary, Erdem Helvacioğlu. Mark O'Leary, Erdem Helvacioğlu - East (from Istanbul) Track from the album Istanbul. Mark OLeary - Astral Fishing - Lintujen Kokous. TIDAL is the first global music streaming service with high fidelity sound, hi-def video quality, along with expertly curated playlists and original content.