CC-1799 : Live Studio Playout from media library (pytagsfs)
CC-1799 : Live Studio Playout from media library (pytagsfs)

switching to using mutagen to get audio metadata (used by pytagsfs)
passing gunid of file to locate it in airtime

ReganDryke/airtime,radiorabe/airtime,sourcefabric/Airtime,radiorabe/airtime,sourcefabric/airtime,ReganDryke/airtime,radiorabe/airtime,thnkloud9/Airtime,sourcefabric/airtime,sourcefabric/airtime,sourcefabric/airtime,radiorabe/airtime,thnkloud9/Airtime,Ryex/airtime,thnkloud9/Airtime,sourcefabric/Airtime,Lapotor/libretime,sourcefabric/Airtime,LibreTime/libretime,radiorabe/airtime,thnkloud9/Airtime,sourcefabric/Airtime,justvanbloom/airtime,LibreTime/libretime,ReganDryke/airtime,comiconomenclaturist/libretime,comiconomenclaturist/libretime,justvanbloom/airtime,sourcefabric/Airtime,ReganDryke/airtime,comiconomenclaturist/libretime,justvanbloom/airtime,Lapotor/libretime,Ryex/airtime,justvanbloom/airtime,sourcefabric/airtime,thnkloud9/Airtime,thnkloud9/Airtime,LibreTime/libretime,comiconomenclaturist/libretime,ReganDryke/airtime,Lapotor/libretime,justvanbloom/airtime,LibreTime/libretime,comiconomenclaturist/libretime,Ryex/airtime,thnkloud9/Airtime,Ryex/airtime,radiorabe/airtime,sourcefabric/airtime,justvanbloom/airtime,Lapotor/libretime,ReganDryke/airtime,ReganDryke/airtime,Lapotor/libretime,comiconomenclaturist/libretime,Ryex/airtime,LibreTime/libretime,Ryex/airtime,justvanbloom/airtime,sourcefabric/airtime,sourcefabric/Airtime,comiconomenclaturist/libretime,Lapotor/libretime,Ryex/airtime,sourcefabric/Airtime,LibreTime/libretime,radiorabe/airtime