Collection consists of radio broadcasts of Barg-e-Shabz (Barg-i sabz). Translated as 'A Green Leaf [of Song and Verse]’, the series was produced by Davoud Pirnia as part of The Golha (‘Flowers of Persian Song and Music’) radio programmes broadcast on Iranian National Radio between 1956 and 1979. Out of 312 programmes produced, 297 digitized copies are available in this collection.