 very important to remember that Matrix Editor does not "lock" the main TuxGuitar window, which means you can use note <strong>Duration</strong> and <strong>Dynamics</strong> icons from the toolbar and change the current measure/instrument as well.</p>
    <p>You can also change the current measure with left/right arrows in the top-left corner of the dialog, and the note duration by the note duration up/down arrows (between the arrows is current note duration).</p>
    <p>The <strong>Number of Grids</strong