There are many CD album which consists of multiple CDs and they come with the same CD title for the album. CD with repeated names are NOT so rare. (Colliding musicbrainz discid should be rare.)
Following bug is addresses such case. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=954263 So applying these patches should address most cases. But adding some sanity check in do_move stll diesn't hart .... may be around L1737 run_command "movetrack-$1" mv "${ABCDETEMPDIR}/track$1.$OUTPUT" "$OUTPUTDIR/$OUTPUTFILE.$OUTPUT" Osamu
