The library has a subscription to Freegal which allows patrons to download and keep music at no cost to them. Each patron is allowed 3 downloads per week and they are yours forever. In addition, there is a Freegal app in your app store which is free as well.
There are also numerous music and radio site on the web. The following are a few to try.
AllMusic - AllMusic provides comprehensive music info including reviews and biographies. Get recommendations for new music to listen to, stream or own.
Jango - Free internet radio, similar to Pandora. Listen to hundreds of genre stations or create your own with your favorite music.
Pandora - Pandora is free, personalized radio that plays music you'll love. Discover new music and enjoy old favorites.
SongLyrics - Site that allows you to search lyrics for songs.