Creating Soundtrack custom events?

[Kaleesh]

http://www.curse.com/addons/wow/soundtrack

I can't really find any support for this feature of the addon so I figured I'd ask here.

In terms of scripting, I've only ever done really minor stuff like OnClick events in kgPanels, so I'm floundering here... Not even sure where to start. I dug around in the lua files to see how default events are structured but I'm getting even more lost, haha...

Specifically, I'd like to write a custom event that plays music while I am fishing, and not something that is attached to equipping a fishing pole, since I never use one. Any pointers, guys?