This booklet contains detailed information about D. E. Okonsar's recordings (CD's and DVD's) published during the year 2015 and extensive articles on the works he published. It also includes a summary view of all his recordings which now exceeds 27 individual titles CD and-or DVD's. David Ezra Okonsar, pianist, composer, conductor and musicologist is the First Prize Winner at the International Young Virtuosos Competition, Antwerp, Belgium, 1982 and laureate of other prestigious international piano competitions such as the Gina Bachauer, Sixth Prize, Salt Lake City-UT, 1991 and J. S. Bach, Second Prize, Paris, France 1989. He is graduated from the Brussels Royal Conservatory of Music on piano, composition and orchestration. He studied with Jean-Claude Vanden Eynden and Madame Jacqueline Fontyn. He has been a pupil of Alexis Weissenberg. David Ezra Okonsar performed in major concert halls in Europe, North America and Japan both solo and orchestral. He was special guest judge for the National Piano Competition of Japan (1999) P.T.N.A. (To-On). His researches in music related technologies were broadcast in a series of documentaries presented by the artist on the National Broadcast of Turkey (TRT). Mr. Okonsar is a prolific composer of orchestral, chamber, choral and piano music. His composing line is highly avant-garde and complex. Also a musicologist, writer and lecturer, Mr. Okonsar's writings are published in English and French and he is lecturing on music, composing and related technology. His recital programs are usually highly eclectic and often thematic mixing works by A. Webern, A. Berg, I. Stravinsky, K. Stockhausen, P. Boulez and L. Berio with the more traditional piano repertoire.