I don't have an answer purr saye, but jZed recently recommended the Google Feeds API for managing RSS. He managed to write an entire client-side web app that would serve dynamic content from various web sources.

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)