The app serves up some 600 films, many of them not available on Netflix, Hulu, or anywhere else.
Amping up their partnership, users can now immediately click and hear tracks licensed by Spotify on Last.fm's own site.
Starting with one for MTV and MTV2, they build on the company's current "second screen" apps and add on-demand video, plus new webisode-style series. But most of it is only for people who already pay.
Video-game streaming service says it will cut the volume on 30-minute blocks of video when unauthorized audio content is detected.
The subscription service will reportedly be called YouTube Music Key and offer ad-free music with audio-only and offline playback for $10 per month.
With typically vague numbers, Amazon says Prime members tried out the new streaming-music offering, and usage was predictable: not bad, not mind-blowing.
Amazon bets the total Prime package -- shipping, e-books, video and now music -- will draw new members, even with a limited streaming-music catalog compared to rivals.
Amazon's new music-streaming service has arrived. Here's how to take it with you on Android and iOS, complete with offline listening.
A note on the site encourages subscribers to switch to Beats, which Apple is in the process of acquiring for $3 billion.
Quickly after Apple's deal to buy a music-streaming service, a report says Amazon will launch a similar offering but one lacking new releases.