Moods and Backgrounds
Moods and backgrounds are how you make Beam fit the style of your event. Any change you make is shown on the display right away.

What moods are
A mood is a complete look for the display. Beam can switch moods automatically based on the current song or playback state. Each mood can define:
- its own matching rule
- its own layout
- its own background
- its own DMX color settings (macOS/Linux)
- an optional Mood Timing (timer)

Timed moods (Mood Timing)
Mood Timing is measured in seconds:
0— the mood stays active until the next normal song or playback change.- Greater than
0— Beam keeps that mood’s layout on screen for that many seconds after a track change, then falls back to your default mood layout and background. The current song info keeps showing, just with the default styling.
This is great for a short cue on a new song, intro, or event moment that then returns to your normal display automatically.
Example: a temporary “LAST TANDA” message
- Create a dedicated mood for the message.
- Put the message text directly in one or more layout items.
- Set its background to Keep existing and raise Readability so the text is clearly legible over the current background.
- Give it a Mood Timing of, say, 20 seconds.
- Enable it when you want the message; it clears itself when the timer ends.

For quick, unplanned messages you can also use the Show Message button — see Live Display Controls.
Background modes
In the mood editor, the Background type dropdown picks one of four types, and only the controls for that type are shown:
- Keep existing — does not change the background. The mood leaves whatever is already on screen in place. Ideal for timed message moods that overlay text without swapping the background. Shows the Readability slider.
- Color — a solid color. Shows a color swatch button that opens the picker.
- Single image — one image file (no rotation). Shows a
Browse image...button. - Image slideshow — rotate through all images in a folder. Shows
Choose folder..., aChange image everyinterval, and aRandom ordercheckbox.
You can use bundled Beam backgrounds, your own imported images, or a rotating folder.
Readability slider
When the background type is Keep existing, a single Readability slider
(0–100) blurs and dims the current background so on-screen text stays legible —
without replacing the background:
0— no change at all.- Higher values increase blur and darkening together.
100— strong blur and strong darkening.
This works the same on the projector (native) display and on the browser/tablet display.
Artist / album-artist backgrounds
Beam can show an extra background layer based on the current artist or orchestra, on top of (or replacing) the mood background. Matching prefers the album artist first, then falls back to the artist. Useful for a per-orchestra look over a venue slideshow.

Cover art as background
Cover art / album art can be used as the artist background. It takes the default blend/replace mode and opacity; if you have defined a specific artist background, that one wins over cover art.

Practical examples for milongas
- Keep a venue slideshow most of the night, show song info only sometimes: use a default slideshow mood with no text, and a separate timed mood with the song layout and Keep existing + readability for when you want to reveal the track.
- Per-orchestra atmosphere: map artist backgrounds for your most-played orchestras and blend them over the mood background.
- Different style per genre: use mood matching rules so tango, vals, and milonga each get their own look.
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