The schedule for CBC's broadcast of Euroradio "Joy to the World" is on the CBC web site here. Apparently there will be more detailed information on the program on the CBC blog site. The full program can also be found here on the EBU site.
The schedule, as copied from the CBC web site, is as follows:
6:00 am AUSTRIA Domkantori & Solamente Naturali
7:00 am PORTUGAL Vozes Alfonsinas Chorus European Renaissance songs
8:00 am BULGARIA Bulgarian National Radio Children's Choir
9:00 am FINLAND Helsinki Chamber Chorus Finnish and International carols
10:00 am USA Chanticleer various Christmas songs
11:00 am DENMARK Danish National Vocal Ensemble
12:00 pm CZECH REPUBLIC Collegium Marianum with Advent and Chrismas songs in the Baroque Tradition
1:00 pm NORWAY Oslo Philharmonic Orchestra and Chorus
2:00 pm HUNGARY Bartok's Men's Chorus, Pecs Chamber Chorus, and UniCum laude Ensemble
3:00 pm SWEDEN Swedish Radio Chorus and Orchestra
4:00 pm POLAND Radio Chorus and Wroclaw Baroque Orchestra with Polish carols
5:00 pm CANADA Les Violons du Roy - La Chapelle de Québec
Thankfully, it appears that the CBC's contribution will not be a jazz-influenced modern mish-mash of non-traditional music, as it was last year.