Lead vocals should almost always be built from a composite of multiple takes
Comping records a part several times and edits the best moments of each take into one composite. It is standard professional practice and especially essential for lead vocals — no single take is best in timing, tuning, phrasing, and emotion throughout. Takes range from full top-to-tail passes (better flow, harder to sustain and edit) to phrase-by-phrase patchwork; the resulting comp is only as good as its raw takes.
Examples
Ten vocal takes edited so verse bars 1–2 use take 3, bars 3–4 take 7, the final word take 1, yields a composite no single take could match.
Assessment
Explain why comping usually beats the best single take and describe the record-then-edit workflow.