Grid Tool

The Grid Tool is a special tool that does not affect regions on the timeline directly; instead, it adjusts the musical grid (ruler lines) to match them to a live performance of either Audio or MIDI on your timeline.

When the Grid Tool is activated, you’ll notice that the cursor changes to represent 2 different cursor modes. Measure lines can be assigned a tempo; whereas ‘beat’ lines can only tweak the ramp between 2 tempo markers.

• clicking on a measure line where no tempo marker exists, will immediately create a new tempo marker in the tempo ruler
• dragging on a measure line that already has a tempo marker, will warp the position of the tempo marker without moving any prior or later tempo markers
• dragging a measure line beyond the ‘last’ tempo marker will set the tempo of the immediately prior marker, and also continue that tempo through the last marker
• dragging on a measure line that is between 2 tempo markers will adjust the prior and middle marker, without moving the position or tempo of later markers
• dragging a beat line will ‘ramp’ or ‘warp’ the tempo between 2 tempo markers. This accommodates a band’s natural tendency to speed up or slow down in the final beats before going into a new section (chorus or breakdown or …)

* When mapping a performance, you’ll want to start by locating a measure line on the first beat of the song, and then advance through the song from left to right. Typically you will only advance one or several measures at a time. It is not important that the measures or beats land ‘exactly’ on the beat, because you can go back and fix that later. However it is important that the correct number of measures or beats are counted-off during the process. If you create a measure line for 4 bars, but only 3 bars have elapsed in the performance, then it will require manually deleting or undoing the tempo markers after that change, to fix it.

Advanced users: if you have multiple songs on a timeline, or some other reason to require non-contiguous tempo markers, then you should investigate BBT Markers. BBT Markers will prevent tempo-changes from propagating through the entire tempo-map.

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