For high-fidelity streaming, check his artist page on Tidal .
Information on his (like "Kara Gözlüm Unutamadım") Yahya Deniz | Spotify
A popular site for direct MP3 downloads in Turkey, featuring the Diyemedim MP3 file.
If you'd like more information on this artist or song, you can tell me: The or translation of the song Similar Turkish folk or pop artists you might enjoy