An adaptation is a musical work, which uses elements (music or lyrics) from another musical work.
The First Nowell, the Angel Did Say
written by [Traditional]
- Nejdřív "Neboj!" written by Petr Maria Lutka Czech 1999
- Den allerførste jul written by Gustav Winckler Danish 1978
- The First Noel written by Tommy Sims, Tim Miner, Cindy Cruse Ratcliff English 1988 — Additional verses
- What Child, Nowell written by Tori Amos English November 10, 2009
- The First Noel written by Matt Maher, Brian Elmquist English October 19, 2018
- Ensimmäinen joulu written by Ilkka Kuusisto Finnish 1976
- Hin fyrstu jól written by Hinrik Bjarnason Icelandic
- Guds ängel kom till herdar i vall written by Britt Gerda Hallqvist Swedish
A partial adaptation is a musical work which integrates only a part of another musical work, and this part is only a fragment of the new musical work.