The streaming music service Tidal has just released an app for Amazon Fire TV devices. Tidal is owned by Jay-Z and various other music artists. It is the first artist-owned music service and is among the top music services by the number of tracks and users. Their catalog includes more than 50 million tracks with an assortment of original content, thanks to its close ties to music artists. The service costs $9.99 per month for unlimited streaming and comes with a 30-day free trial.