I love to Listening in radios music online. It is a cheap and suitable way, and to me online radios are more and more replacing the usual radio sets, although I still use my mini hifi tower quite extensively.
Finding free music for videos or auditory podcasts seems to be one of the hardest activities. Most of the audio content obtainable online is protected by copyrights and the threat of bumping into illegal content is always in the air. Is it likely to have access to music that is freely downloadable and distributable? The following piece might give you the answer.