Click on the title to play.   Make into a playlist on Itunes and practice as you walk around the lake or neighborhood! 
 These are the 'all' versions, I think  all the proper repeats and such as we will sing them at concert.
Should help you solidify your knowledge of the pieces and readiness to perform. 
​*Remember that the conductor still has 'say' over the tempos and things, it's hard to get these parts laid down with natural ebbs and flows etc.