The SEQ file is the file format used by PowerTracks (and RealBand) to captures all the track related information for the song you are working on. A MIDI file doesn't know anything about softsynths and effects; it only knows about the notes used, tempo, note start/stop times, their velocities, their assigned channels, assigned instrument names (not what is used to play them), and lyrics - well a few more things, but nothing related to tracks and effects. For that, you need the SEQ file. That's why every DAW uses has its own proprietary file format to be able to capture all the other track-related information. Additionally, the SEQ file can save information about a mix of audio and MIDI data.

Hmmmm, maybe one day we'll have a MusicXML-type format for DAW's.


John

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