A folder containing one long audio file and a small .cue file may still describe several tracks. The cue sheet supplies a map; it does not contain the recorded sound itself. The FLAC tool documentation describes cue-sheet import and its index points, including constraints on supported input.
Follow the file reference first
Open a copy of the cue sheet in a text editor. Look for its FILE reference and compare that name with the audio file actually present. A renamed recording can leave the map pointing somewhere that no longer exists. Do not fix the mismatch by changing an extension without understanding the file format.
Next, look at the ordered TRACK and INDEX entries. They describe positions, but the familiar-looking time notation needs the cue format’s interpretation. Avoid treating its final component as ordinary decimal milliseconds.
Test the map by listening
Load the pair into a player that explicitly supports cue sheets. Check the start of the first track, a middle transition and the final track. Does each boundary land where the music and any available track listing suggest? Keep a distinction between a pause in the recording and a track boundary: one does not automatically establish the other.
Before splitting or converting anything, preserve the source audio and cue sheet together. Note where the cue sheet came from and which edition it is meant to describe. A map for another release may have plausible titles and still place the boundaries incorrectly. Your useful result is a verified relationship between these two files, not merely a folder that displays several track names.
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