Cakewalk Project (WRK)

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File Format
Name Cakewalk Project (WRK)
Ontology
Extension(s) .wrk
Wikidata ID Q5018088

Cakewalk by Twelve Tone Systems (later Cakewalk, and now Roland) previously wrote its MIDI sequences as .WRK files.

.WRK files are loosely based on the MIDI file format. They can contain embedded samples which trigger during the sequence. They also contain additional data not found in a standard MIDI file such as track delay, track transpose, track velocity offset, comments and editing time.

The Drumstick open source library can work with .WRK files: https://sourceforge.net/p/drumstick/news/

The Cakewalk Bundle (BUN) format encapsulates the project with its associated files (e.g., audio files) in a complete archive.

Newer versions use the CWP format instead, with the CWB format for bundles.

Another Cakewalk file format is the Cakewalk Sample Definition File (.sfz).

To be added to this page: a description of the file format taken from the source code of the library.

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