How to Loop a Track Without Replaying Its Intro in Audacity
To keep a tabletop scene’s music or ambience going without hearing the intro again, set a loop region that begins after the opening and repeats only the passage you want. In Audacity, select that passage on the timeline, set it as the loop region, turn looping on, and test the join before using it at the table. This changes playback in the project; it does not automatically create a new, edited audio file.
Choose the part that should repeat
First listen to the track once and decide what the intro is doing. It may establish a mood, swell into the main music, or contain a spoken cue. For a scene that lasts longer than the track, keep that opening for the first play and repeat a later section that can stand on its own.
The repeat needs both a clear start and a clear end. Look for a point where the music has settled into its main texture, then find an ending that can lead naturally back to that start. If the track changes noticeably near the end, the section before that change may loop more smoothly. These are listening criteria, not fixed rules: the right points depend on the particular recording.
Set a loop region around the main passage
Open the audio in Audacity and find the timeline ruler above the waveform. Click and drag across the passage you want to repeat, beginning after the intro and ending before any outro or transition you want to avoid. Audacity’s manual distinguishes the loop region from ordinary playback: you can define the region on the timeline, and the loop control repeats that region when playback runs. Audacity’s playback guide explains timeline looping.
For a precise region, select the passage and use Shift+L or right-click the timeline ruler and choose Set loop region to selection. The current Audacity manual says this sets the loop region to match the selection; if no time selection exists, selected clips can instead determine the region. Set Loop Region to Selection
Then enable the loop toggle and press Play. Audacity plays and repeats the loop region rather than continuing through the rest of the project. Its transport manual also notes that turning looping off leaves the region defined, so you can switch it back on later without recreating it. Transport controls
Preserve the intro for the first play
If you want the intro once and the main passage thereafter, do not simply start playback at the loop’s beginning. Start the full track at its beginning with looping off. When the intro has finished, enable the loop region and continue playback from the intended passage. Audacity documents that playback without a loop region follows the cursor toward the project’s end, while a loop region repeats its defined span.
For a live session, rehearse this handoff before players arrive. Keep the project open at the start, identify the loop toggle, and confirm that the loop region begins where you intend. If managing the handoff during play would be distracting, prepare a separate working copy with the intro removed or a loop-ready version exported from an editor. Treat that as a different deliverable: a playback loop region alone is not an instruction to alter the original audio.
Test the join by listening
A loop can repeat perfectly according to its markers yet still sound awkward. Listen across the end-to-start boundary several times. Watch for a sudden cut in a sustained note, a beat that lurches, a breath or sound effect that repeats abruptly, or a pause that feels too long. Move the start or end slightly and listen again if the join catches your attention.
Prefer musical or environmental landmarks over an arbitrary duration. For rhythmic music, a phrase boundary may feel more coherent than cutting halfway through a bar. For steady ambience, choose a stretch with consistent background texture and no prominent one-off event. These are practical editing judgments; Audacity’s documentation establishes how to define and repeat the region, not which musical boundaries will sound right for a particular track.
Troubleshoot common playback mistakes
If the intro repeats every time, check that the loop region starts after the intro and that the loop toggle is enabled. A selection used for ordinary playback and a loop region are related but distinct controls, so confirm the region itself on the ruler. If playback simply runs to the end, verify that looping is on; the Audacity transport guide says a defined but inactive region does not repeat until looping is enabled.
If playback starts from the wrong point, stop and inspect the region boundaries before restarting. Audacity notes that its Stop control returns the playhead to where playback began, so use the timeline to verify where the region actually sits rather than assuming the playhead marks the loop start. If the sound jumps at the boundary, adjust one marker at a time and replay the transition.
Pick the simplest setup for the session
For one track and a prepared computer, an Audacity loop region is a straightforward way to repeat a selected passage. For a device or player you already use, check whether it supports an A–B repeat with separate start and end markers; feature names and controls vary by platform. Do not assume a general “repeat track” option skips the intro: repeating the whole file usually returns to its beginning.
Before the session, test the setup from the point where you will actually use it: start the track, let the intro play, enable the repeat, and listen through at least two passes. Confirm the computer’s audio output and volume, and keep a simple fallback such as restarting the main passage manually. The goal is a predictable cue that supports the scene without requiring you to watch the waveform throughout play.