Furthermore, many of the tracks on that Istanbul 1925 album can also be found on other compilations (in some cases with slightly differing spellings/transliterations for artist names and/or song titles), giving you perhaps another inroad.
These two for example are both on FM Records, a Greek label:
Music of the Balkans, Vol. 2: Bulgaria, Turkey 1930-1945: Spotify link
Balkan Medicine: The Early Recordings: Spotify link
― breastcrawl, Friday, 10 May 2019 22:27 (one year ago) link
Thanks breastcrawl, sorry I missed your reply earlier - that's really helpful.
― mfktz (Camaraderie at Arms Length), Monday, 13 May 2019 11:56 (one year ago) link