Quick answer: Place the loop bar anywhere on the timeline by marking the area with the mouse, activate it by clicking on it or click the loop activation button at the bottom of the Liquid Notes window.
Loop bar and its operation in Liquid NotesLiquid Notes comes with a clean, fresh user interface that offers little visual distractions. The loop bar sits on top of the timeline, just below the track view of your MIDI arrangement.
Here is where to find the loop bar in Liquid Notes:
You can place the loop bar anywhere on the timeline. To do so, simply hold down with your mouse and select the area you would like the loop bar to extend to. The marked area will be highlighted in a semi-transparent gray tone, indicating that the loop bar is not active: click on it, or click on the loop activation button next to the play button, to activate it.
If active, the loop bar will change to a semi-transparent blue tone as indicated in the picture above.
At any time you can drag the loop bar around by positioning the cursor over it, holding down on your mouse and dragging to the left or right.