article_snippet.sent: SPOTIFY's free with ads; on mobile devices, users are limited to Internet radio and can't choose songs.
article_snippet.sent: Paying $10 a month gets you an ad-free premium service that offers song selection and offline playback on mobile devices.
article_snippet.sent: Pay per song to download and own forever through iTunes.
article_snippet.sent: Pay per song through Google Play.
article_snippet.sent: Google Play Music service offers unlimited listening for $10 a month, with no free option.
article_snippet.sent: GOOGLE also offers YouTube Music Key for selected music videos, free of ads, for $10.
article_snippet.sent: AMAZON's $99-a-year Prime membership comes with unlimited listening, though the song selection isn't as broad as what rivals offer.