Slacker is an interactive Internet radio service available in the US and Canada. Listeners can access the service on the web, through mobile apps on ... See more multiple smartphones as well as on the Slacker Personal Radio Players and other device Slacker Radio features over 120 genre stations uniquely programmed by top music experts across the country. Each station features a deep selection of music; hand-picked by Slacker DJs and includes breaking hits and top singles along with the very best deep tracks and more! Personalize them by rating the music you love, banning the songs and artists you don’t or use the Fine Tune settings to make them your own.