These two are, and the rest of them will be, under 2 minutes. They represent notes to myself, as well as pieces that have something listenable about them.

<center><table border=1><tr><td>Prelude
Prelude.not (51.1 k)</td></tr></table></center>

<center><table border=1><tr><td>Prelude II
Prelude II.not (85.4 k)</td></tr></table></center>