Cantus Firmus to Counterpoint

Rejoice this harvestide, Alleluia. 
Grateful for our countryside, Alleluia. 
Mother earth yields her wheat, Alleluia. 
Food For all the world to eat, Alleluia. 

(Chorus:) 
Alleluia (etc.) 

Rejoice this Christmas tide, Alleluia. 
Barriers of the world divide, Alleluia. 
Peace on earth, goodwill to men, Alleluia. 
Gives us cause to sing again, Alleluia. 

(Chorus)