How do I find a site that has totally free music downloads wirh no hidden charges or signups?

Make a search on Google.

You will find some programs that offer what your looking for.

How do I find a site that has totally free music downloads wirh no hidden charges or signups?

Hi, try the below site;
GarageBand.com : GarageBand.com (http://www.garageband.com/)

What type of music are you looking for? There are lots of place offering free music, but generally these are band sites trying to promote their music.

If you are looking for current commercial tracks, those are protected by copyright and wouldn't be legally available for free.