[@flacsong] Avicii - Sos.flac - Google Drive Online

While your query specifically mentions a file link for Avicii's "SOS" in FLAC format, it could mean a couple of different things:

You might be looking for information regarding the specific release or the "FLACSong" source mentioned in the filename.

Could you please clarify if you are looking for a , technical specs of the FLAC file, or context on the posthumous release of this track?

You might be looking for a detailed "write-up" or review of the song's production, lyrics, and audio quality in a lossless format.