Slacker Premium allows you to pick not a channel based on a song but that specific song or album. The app seems to be the best at not adding duplicates and generally working better. If you use a Slacker premium account, you can create playlists from the smartphone app or the website. The usual Slacker controls work (banning / promoting an artist) but you can't do any of the other premium things, like queue up a whole album or view song lyrics. This gives you (as far as the Tesla vehicle is concerned) playlists and deeper custom channels. You can sign up for your own Slacker premium account. I have told them that it works, as indicated below. They will also tell you that you can't use your own Premium account, because they are lying liars who lie through their lying lie holes. If you do, you get an 'Error 500' on the Slacker website and their tech support will tell you this is impossible to change. You cannot upgrade this account to a Slacker Premium account. You can email Tesla tech support to get your Slacker Username and Password so you can log on to the Slacker website, mess with your channels and listen for free. I got a lot of misinformation from Slacker and very little from Tesla, so I thought I'd share all my findings so that the next time someone wants to research this, they can find it when they search. You can re-display a hidden media source at any time by returning to this settings screen.I've spend the last couple days talking to Tesla, Slacker and /u/GeekLad working on making Slacker a better streaming audio solution. Once hidden, the media source does not appear on the drop down list in Media Player, nor will it appear in the app tray when you touch the App Launcher. You may want to hide media sources that you never use. Sources: Displays all available media sources and allows you to choose whether you want to show or hide each source.For example, you can turn DJ Commentary, Explicit Content and Allow Mobile Control on or off. Options: Set preferences for optional features.Balance: Drag the center circle to the location in Model 3 where you want to focus the sound.If equipped with premium audio, you can adjust the level of sound immersion to make your music experience more engaging by dragging the immersive sound slider according to your preferences. Tone: Drag the sliders to adjust the subwoofer and any of the five frequency bands (Bass, Bass/Mid, Mid, Mid/Treble, and Treble).When displaying an audio source screen, press the settings icon located in the search bar to access audio settings.

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