The first is an older recording of FP congregational singing in Santa Fe. The precentor is Nathanael Smith.
Psalm 40:5-9 to St. Paul
The second was sent to me by a blog reader. This is a recording of Free Presbyterian congregational singing in Glasgow. I checked with Evelyn, and she confirmed that the precentor is definitely her husband, Rev. Jett Smith.
Psalm 130 to Martyrdom