<li><code><em>session_name</em>.ardour.bak</code>, the auto-backup snapshot</li>
<li><code><em>session_name</em>.history</code>, the undo history for the session </li>
<li><code>instant.xml</code>, which records the last-used zoom scale and other metadata</li>
<li><code><em>session_name</em>.ardour.bak</code>, the auto-backup snapshot</li>
<li><code><em>session_name</em>.history</code>, the undo history for the session </li>
<li><code>instant.xml</code>, which records the last-used zoom scale and other metadata</li>