An adaptation is a musical work which uses most of the music or lyrics of another musical work.
written by Jay Johnson, Billy Hayes
- Tvůj stromek written by Miroslav Černý Czech 1982
- Blå X-Mas written by Bamse Danish 1995
- Ik ben alleen met kerstmis written by Henk van Broekhoven, Tom Peters Dutch 1985
- Ankea joulu written by Jussi Raittinen Finnish 2014
- Doux Noël written by Michel Mallory French 2003
- Triste Navidad written by Carlos Murguía Spanish June 2007