Currently, he hosts a daily radio program dedicated to vintage Greek music on Trito Programma 90,9, part of the Hellenic Broadcasting Corporation.
In 2001 he directed and presented two weekly TV shows entitled Ihnilates (tracers) and Timis Eneken (honoris causa) on the Greek National Television channel.
[2] In September 2010 and 2011 Nachmias organized a vintage Greek music show at the Houston Grand Opera under the auspices of Hellenic Cultural Center of the Southwest, performing Hrysoula Stefanaki.
[3] Produced by Protasis Music,[4] organized and orchestrated by David Nachmias, the CD includes 18 songs by the foremost Greek composer Attik (1885–1944) performed by Nena Venetsanou, Maria Kanelopoulou, Thanos Polydoras, Hrysoula Stefanaki, Gogo Vaghena, Pandelis Psyhas, Babis Tsertos and Themis Andreadis.
[5] Singers Maria Kanelopoulou, Hrysoula Stefanaki, and Thanos Polydoras, perform famous songs of Nikos Gounaris, Danai, Hristos Hairopoulos, Alekos Sakellarios, Mihalis Sougioul,Kostas Giannidis, Cesare Andrea Bixio, Nikos Hatziapostolou, Leo Rapitis and Sofia Vembo.