Music knowledge representation

[Mr.SpOOn]

On Sun, Sep 28, 2008 at 8:59 PM, Aaron Castironpi Brady
<castironpi at gmail.com> wrote:

> Here is a link to someone else's design they asked about on the
> newsgroup a couple weeks ago.
>
> http://groups.google.com/group/comp.lang.python/browse_thread/thread/ecffaa827984866d/921cba3084b984dc?lnk=st&q=sharpnote#921cba3084b984dc

:D
It's always me.

I think my question is more specific. I need some sort of cycle.

So if I have a list with A, B, C, D, when I iter over it I need to get
an A after the D.