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Hi Rui

I have an idea I want to capture (before I forget it..!), it could be a melody or a rhythm pattern, something I would like to build upon or reuse later.

I will play this on a keyboard (in my case a stage piano hooked to a laptop). Qtractor is set-up to record the keyboard's midi-output in one track and the audio-output in a second track. Maybe the audio will be the final sound I use - more probably I will resequence the midi through another instrument to get the sound I want.

In either case I will have a series of notes (midi) or envelopes (audio). The notes or envelopes repeat in time but will not be exactly equally spaced. The (wanted) mistakes give the piece a certain feeling or liveliness.

Never-the-less I would like to match an "average" tempo to the recorded tracks. The timing marks (the bar and beat marks) can then be used to add percusion and/or I can cut-up the recorded tracks and repeat sections, aligning the sections to the timing marks.

Regardless whether audio or midi I would like to enter a mode whereby I can, for example, click on positions in the track (midi - the start of the notes / audio - the start of the envelops), the clicked positions being where the bars start. I will probably start clicking at the 3rd or 4th or 5th as the first few recorded notes will be where I am getting up to speed.

Qtractor would then:
- calculate the tempo based on a clicked positions and the previously (manually) entered signature
- show the timing marks (calculating back from first clicked position as required)

Does this make sense?

Best regards, Simon