Büyükdere Avenue Büyükdere Avenue Büyükdere Avenue () is a major avenue which runs through the districts of Şişli (Esentepe quarter), Beşiktaş (Levent quarter) and Sarıyer (Maslak quarter) on the European side of Istanbul, Turkey. It begins at Şişli Mosque and runs in an eastward direction partly under the viaduct of the inner-city motorway O-1 through Mecidiyeköy, Esentepe, until reaching Zincirlikuyu; where it joins with Barbaros Boulevard and turns northward passing through Levent, Sanayi Mahallesi, Maslak and by the Fatih Forest, ending at the Hacıosman Slope on the Sarıyer district border. Its total length is . From Zincirlikuyu to Maslak, it forms a
Keshavan Maslak The Kitchen, Five Spot Cafe, Village Vanguard, CBGB, Museum Of Modern Art and at the Charlotte Moorman avant-garde festivals. At The Kitchen he performed with experimental musicians such as Garrett List, Rhys Chatham, Philip Glass, Laurie Anderson and associated with John Cage. During that period he developed his conceptual style of musical performance which he refers to as Multiplexmulti. Kenny also invented the Hum Ha Horn which he recorded with on some of his early LP releases. From 1978 to 1981 Maslak lived in Amsterdam, Netherlands where he played in avant-garde jazz circles with groups such as Instant Composer's Pool