Indexing more frequently?

Once a day isn't enough!

I have a little programme that downloads BBC radio shows automatically and saves them on my hard drive. This means that I never miss any favourite shows. It works incredibly well.

But to be able to play them back on Sonos they need to be indexed.

So I want to set the indexer to run much more frequently than once a day. More like once an hour. Is this possible? If not, can it be made possible?