User:Hawke/Proposal/Track numbering

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Status: This page describes an active style guideline proposal and is not official.

Proposal number: RFC-STYLE-121
Champion: Hawke
Current status: RFC

JIRA ticket STYLE-121


Unordered tracklists

Some releases have no defined track order. For these releases, leave the track number blank.

Unnumbered tracks

Some tracks are hidden or unnumbered. For these tracks, leave the track number blank.


Medium sides should be indicated with a letter (A, B, C, etc.) before the track number.

For most releases this will be similar to A1, A2, A3 / B1, B2, B3.

If the numbering does not restart at 1, use the number on the release: A1, A2, A3 / B4, B5, B6.

For releases which have their own lettering format, follow the release: R01, R02, R03 / S04, S05, S06; A/AA, etc.

Some releases have no side indication. In this case, if there is a matrix number or other identifier which distinguishes them, treat the lower-sequenced one as side A.


  • R de Rumba has its own lettering, and zero-pads the numbers.
  • This single has different catalog numbers on each side. The lower-numbered side is considered “Side A”


Some single-sided media have “Sub-tracks”. This applies to CD “indexes”, DVD “titles”/“chapters”, and 4 or 8-track cartridge “programs”, and is also common in production music to identify alternate versions of a track (e.g. a 30-second excerpt).

For these releases, separate the main track from the sub-track with a period: 1.1, 1.2, 2.1, 2.2.

Note Note: It is currently impossible to use CD indexes other than index 1 on each track, due to the way discIDs are tied to tracklists.


If there is only one title on a DVD, just use basic track numbers 1, 2, 3, 4, etc.

If a DVD includes a tracklist which doesn’t include some chapters, follow the tracklist numbering. Leave any skipped chapters un-numbered.


Live by Apocalyptica has 18 chapters in the first title, “Live Concert”; the first chapter is unlisted on the cover and the menus and only plays if you choose “play all”.

Alternate audio tracks

Some formats (DVD, SACD) provide alternate audio tracks. For these, separate the audio track identifier from the track number by a number sign:

  • “1#1, 2#1, 3#1” for the first three chapters of the main track
  • “1#2, 2#2, 3#2” for the first three chapters of an alternate track
  • “1#3, 2#3, 3#3” for the first three chapters of a second alternate track

This may be combined with sub-tracks (see above): 1.1#1, 1.2#2, etc.

If available, audio track identifiers should be documented in the release annotation.

Note Note: It is currently not possible to attach a discID to an SACD entered in this manner. Instead, create a pseudo-release with the CD tracks only, and attach the discID to the pseudo-release.


Unusual releases

automatic-sequence double (or triple) albums
Some vinyl releases are designed for use on an automatic record changer. In these releases, all of the “top” sides are played, followed by all of the “bottom” sides. Letters should be assigned to the sides in play order, which may result in a strange displayed track order:
  • A1
  • A2
  • D1
  • D2

  • B1
  • B2
  • C1
  • C2
side in cat. no.
Some releases include the side as part of the catalog number on each side (e.g. 8326-A and 8326-B). In this case, just use the side indicator (e.g. "A" or "B"). Do not use the matrix number as a side identifier.
double A-side
Some releases have other unusual numbering. (e.g. double A-sides, side AA, side AAA) For these cases, use whatever is printed on the release.
parallel grooves
Some vinyl records have several sets of parallel grooves. Treat them the same as alternate audio tracks, above. Ordering is left to the discretion of the editor and voters. Exception: releases with parallel grooves which have only one track per groove (i.e. one song) should be listed as if entirely un-ordered (tracks on first side should all be numbered ‘A’, second side should all be numbered ‘B’.)
single-sided disc
single-sided discs should use side identifier 'A' for all tracks, to discourage editors from assuming they are double-sided and 'correcting' them.