slackbuilds/audio/abcde/id3-genre.diff

Pass the genre name instead of the identifier to the id3 command as the
numbers are offset by one.

--- abcde-2.9.1.orig/abcde	2018-03-10 00:03:50.000000000 +0100
+++ abcde-2.9.1/abcde	2018-05-21 12:32:49.972288507 +0200
@@ -864,7 +864,7 @@
 					run_command "tagtrack-$OUTPUT-$1" nice $ENCNICE \
 						$TAGGER $TAGGEROPTS -c "$COMMENTOUTPUT" \
 						-A "$DALBUM" -a "$TRACKARTIST" -t "$TRACKNAME" \
-						-y "$CDYEAR" -g "$GENREID" \
+						-y "$CDYEAR" -g "$CDGENRE" \
 						-T "${TRACKNUM:-$1}" \
 						"${ABCDETEMPDIR}/track$1.$OUTPUT"
 					;;