The song is called OUT OF THE SNOW. It was written by Russell Smith, a member of The Amazing Rhythm Aces. It was recorded by them and appears on 5 albums:

1976 "Too Stuffed to Jump" 3:39 Valley
1997 "Ride Again" 3:27 Breaker Productions
1999 "Concert Classics, Vol. 3" 3:30 Renaissance
2000 "Stacked Deck/Too Stuffed to Jump" 3:39 Collectors' Choice Music
2001 "Between You & Us" 3:31 Pilot

This information is from Allmusic.com