Documentation Index
Fetch the complete documentation index at: https://docs.lightloop.app/llms.txt
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Songs require Apple TV app version 1.1 or later. Update the LightLoop app on your Apple TV before using this feature.
How Songs work
A Song item contains:- Lyric slides — one or more lines of text per slide (blank slides create intentional pauses for instrumentals)
- Audio track — the backing music file (optional) (MP3, M4A, AAC, or WAV)
- Background — an image or video that plays behind the lyrics (optional)
- Markers — timestamps that map each slide to a moment in the audio track (optional)
- Style settings — font, size, color, alignment, effects, and more (optional)
Creating a Song
- In the Media Library, click the + Song button (or select Song from the upload menu)
- Give the song a name and click Create
- The Song Editor opens automatically
The Song Editor
Lyrics panel
Type or paste your lyrics into the lyrics field. Slides are separated by line breaks:- A single blank line between two verses creates a new slide
- Two consecutive blank lines create a blank (silent) slide — the screen goes empty
- A blank line at the start or end creates a pause slide at the beginning or end of the song
Audio track
Click the Audio slot to choose an audio file from your Media Library. The audio track is cached on the Apple TV for offline playback. Supported formats: MP3, M4A, AAC, WAV. If no audio track is selected, you can still manually control your lyrics.Background
Click the Background slot to choose an image or video from your Media Library. The background fills the screen behind the lyrics.- Images display statically for the duration of the song
- Videos loop continuously
Setting timing markers
Markers tell LightLoop exactly when each lyric slide should appear. You can set them in two ways.Record in real time
- Click ▶ Preview to open the full-screen preview
- Press Space to begin playback of the audio track
- Press M (or click Mark) at the moment you want each new slide to appear
- When finished, close the preview — your markers are saved automatically
Edit markers manually
After recording, click Edit Markers to open the Marker Editor. This gives you a visual waveform timeline with precise control. In the Marker Editor you can:- Drag any marker handle to reposition it
- Click a marker to select it and see its exact timestamp
- Arrow keys nudge a selected marker by ¹⁄₃₀ of a second per press (~33 ms)
- Zoom in/out with the − and + buttons (5 levels, from overview to sample-level detail)
- Space to play/pause audio while watching markers
- Clear All to start fresh
Style settings
Open the Style accordion in the editor to customize how lyrics appear on screen.| Setting | Options | Default |
|---|---|---|
| Font | Font Families | DM Sans |
| Size | 8–120 pt | 52 pt |
| Weight | Normal / Bold | Normal |
| Style | Normal / Italic | Normal |
| Case | Normal / ALL CAPS | Normal |
| Color | Color picker | White (#ffffff) |
| Alignment | Left / Center / Right | Center |
| Vertical align | Top / Center / Bottom | Center |
| Shadow opacity | 0–100% | 55% |
| Stroke width | 0–20 pt | 0 |
| Stroke color | Color picker | Black (#000000) |
| Text background color | Color picker | Black (#000000) |
| Text background opacity | 0–100% | 0% (off) |
| Slide transition | 0–2 s crossfade | 0.3 s |
Adding a Song to a Playlist
From the Song Editor header, click + Add to Playlist to open the playlist picker. Playlists are listed newest first. Search by name, then click any playlist to add the song immediately. You can also add songs to playlists from the Media Library — click a Song card, then click Edit Song in the detail panel, or drag the card directly onto a playlist in the sidebar.Playback on Apple TV
Requires Apple TV app version 1.1+.
- The audio track (if assigned) begins from the locally cached file
- The background image or video (if assigned) fills the screen. Videos loop continuously.
- Lyrics appear and cross-dissolve at each marker timestamp
- The song advances to the next playlist item when the audio track ends (or when Auto-advance is enabled on the playlist)
Tips
How do I handle choruses that repeat?
How do I handle choruses that repeat?
Paste the chorus text each time it appears — LightLoop treats each occurrence as an independent slide with its own marker. If you want a chorus to display identically each time, just copy-paste the lyrics in the editor.
The audio plays but lyrics don't advance — what's wrong?
The audio plays but lyrics don't advance — what's wrong?
Check that markers have been recorded. Open Edit Markers to confirm marker count and positions. If there are no markers, lyrics stay on slide 1 for the full duration of the audio.
Can I use a video as the background?
Can I use a video as the background?
Yes. Select a video from your Media Library as the background. The video loops continuously behind the lyrics for the full duration of the song.
Does the song work offline?
Does the song work offline?
Yes — both the audio track and background media are cached to the Apple TV before playback. Once cached, no internet connection is needed during a service.
What happens if I remove the audio track?
What happens if I remove the audio track?
Without an audio track, the Apple TV treats each slide as a timed image, displaying it for the playlist’s configured duration before advancing. If no duration is set “0” - you can manually control the slides with your Apple TV remote.
Can I reorder slides?
Can I reorder slides?
Slide order is determined entirely by the order lyrics appear in the text editor. Reorder slides by editing the lyrics text directly.