No, there are multiple versions of some songs - alternate takes, home demos, etc. For some/many fans that is the attraction - e.g. hearing some of the songs without all the "dressing up" they received for their album versions, or different arrangements etc. Full track list here:

https://en.wikipedia.org/wiki/Sandy_Denny_%28box_set%29

Cheers - Tony (who does not possess this item!)