I have been playing this Robin song out in the garden for a few days and now I seem to have more robins about. I sat by the back door this morning playing it and listening to the Robin singing back to it.

I put a link here to it. Feel free to download it and see if you get the same results.

https://skydrive.live.com/?cid=db9f4e7ea4067d33#

It's in the folder named Public.