<li>When the track is tall enough, the External MIDI Device selection dropdown appears.</li>
</ol>
+<p>
+ Also, <kbd class="mouse">right</kbd> clicking the <kbd style="color:red;">●</kbd>
+ (record) button shows the <a href="@@step-entry">Step Entry</a> dialog instead of
+ controlling the rec-safe.
+</p>
+
<h2>The Scroomer</h2>
<p>
<li>Double clicking the scrollbar auto-adjusts the zooms to make the range of
visible pitches fit the actual content of the track.</li>
<li>Clicking on the piano plays the corresponding MIDI note for reference.</li>
+ <li><kbd class="mouse mod3">left</kbd> clicking on a note adds the note to the
+ selection (for all regions on the track). See <a href="@@note-selection">Note
+ Selection</a>.</li>
+ <li><kbd class="mouse">middle</kbd> clicking a note clears the selection, selects
+ only the note.</li>
</ul>
<h2>Channel and patch selection</h2>