Just trying to spread the goodwill and cheer, but if you don't start searching for your answers before you post all these posts, the people who REALLY know what they're talking about are going to have little interest in helping you. So far, everything you've posted has been addressed before...many have been numerous times.
To answer THIS question, the file is simply too big. Try 250k or less. Either shorten the mp3, or lessen the quality.
Can't Download an .mp3 on my own server?
