-H: -sp: sort by path.
-H:
-H: -sl: sort by last played time.
-H:
-H: -ss: sort by score (implies -a).
-H:
-H: -sn: sort by num played count.
-H:
-H: -sf: sort by frequency.
-H:
-H: -sc: sort by number of channels.
-H:
-H: -si: sort by image id.
-H:
-H: -sy: sort by lyrics id.
-H:
-H: -sb: sort by bit rate.
-H:
-H: -sd: sort by duration.
-H:
-H: -sa: sort by audio format.
+H: -sp: by path
+H: -sl: by last played time
+H: -ss: by score (implies -a)
+H: -sn: by num played count
+H: -sf: by frequency
+H: -sc: by number of channels
+H: -si: by image id
+H: -sy: by lyrics id
+H: -sb: by bit rate
+H: -sd: by duration
+H: -sa: by audio format