depends on what you are calling media?

Classical music is suppose to be good for infants, we played a lot of Jazz for GianC.
So I don't think the local public Classical or Jazz station would have any harmful effects on an infant. I know that GianC. hated Metal, Noise and any extreme guitar music when he was an infant, now he likes punk though and some more crazy electronic music like drum n' bass and IDM, Aphex Twin in particular, I tend to believe that you should stick with Classical, Jazz and mellow music for infants.

Julieanne listens to Urban/hip-hop and R&B stations, which have tons of commercials and bad lyrics, I often wonder if that is good for little ones to hear, not the lyrics so much at a young age because they don't fully get them, but the commercials.
While watching TV, Julieanne mutes the volume on commercials just coz she doesn't like them, but I've read that it's a good thing to do when watching TV with children.