From the recording Christmas Adoration Medley
Due to copyright regulations, the lyrics will not be posted here. However, if you enter the name of either of these songs into a search engine on your computer, along with the word 'lyrics', you should find numerous relevant resources.
Lyrics
"O Come All Ye Faithful"
Words and music by John Wade, Frederick Oakeley, and Wilma Brooke
"Come, Now is the Time to Worship"
Words and music by Brian Doerksen