Song of the Land
You can listen to the publisher's recording here.
You can hear a sample recording from the publisher here.
This is a link to a Youtube playlist that highlights each of the parts in this piece. Use with the understanding that these recordings are for the SATB version and we are singing the SAB version. This is still a very useful practice tool, especially if you want to listen to the pronunciations.
Skye Boat Song
Listen to the publisher's recording here.
Listen to the publisher's recording (another men's choir) here.
Four Strong Winds
You can listen the publisher's recording here.
And in his own words...