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====== ZZT Music Formats ======

===== .ZZM =====

ZZM is the primary ZZT music notation format, however it has many variants. An attempt to categorize them has been made. Please note that the documentation has been reverse-engineered based on existing .ZZM files, and may not be entirely accurate.

==== General format (pre-1.0) ====

ZZM files consist of songs - lines of ZZT #PLAY-notation notes - with additional metadata and headers.

Lines prefixed with ''; $'' are treated as parseable commands. A list of such commands is provided below:

  * ''TITLE [title]'' - music collection title,
  * ''SONG [id]'' - beginning of a song with the specific sequential numeric ID,
  * ''SONG ENDS'' - end a song, required,
  * ''SONG TITLE [id] [title]'' - song title, optional,
  * ''SONGS END'' - end of the song data block,
  * ''EOF'' - end of file. Some files (MUSICBOX.ZZM) include song titles //after// EOF, however...

Any lines which are not otherwise understood be either:

  * ignored, if not within a song,
  * treated as song commands, if within a song.

The only known free software implementation (KevEdit) seems to only pay attention to ''TITLE'', ''SONG'' and ''SONG TITLE'' commands.

==== 1.0 ====

ZZM 1.0 files use the header ''; ZZT Music File v1.0''. The following additional commands are present in such files:

  * ''GENDATE MM-DD-YYYY'' - music collection creation date,
  * ''GENTIME HH:MM:SS'' - music collection creation time,
  * ''SONGS BEGIN'' - beginning of the song data block.

==== 1.1 ====

ZZM 1.1 files use the header ''; ZZT Music File v1.1''. This variation has been introduced by Atrocity in ZZMPlay. It adds support for 64th-length notes, which can be activated using the letter ''y''.

==== ZZT Music Player 2.0 ====

ZZT Music Player 2.0 files use the header ''ZZTMPLAYer file, version 2.0.''. No further details are known.

===== Other =====

==== .muz (MuzMak) ====

Used for a music creation tool. No known documentation or source code.