title: Fundamental Concepts
---
+<p class="fixme">Check to see if this is still true for v5</p>
+
<p>Ardour's MIDI editing is based on two basic principles:</p>
+
<ol>
<li>Editing should be done without having to enter a new window</li>
<li>
or completely with the mouse, or with any combination of the two.
</li>
</ol>
+
<p>
Currently, MIDI editing is primarily restricted to note data. Other
kinds of data (controller events, sysex data) are present and can be
<kbd>e</kbd> key (by default) toggles between <dfn>region level</dfn>
and <dfn>note level</dfn> editing, as will double-clicking on a MIDI region.
</p>
+
<p class="note">
One very important thing to note: editing note information in Ardour
occurs in only a single region. There is no way currently to edit in note