'Tis a Gift to be Simple si Shaker song, also known as Simple Giftshere is something about the Shakers, and here is even more
The tune is probably even better known therough Sydney Carter's song, The Lord of the Dance, which borrowed the tune of Simple Gifts, - or through Michael Flattley's appropriation of this for his "look-at-me aren't I brilliant" musical extravaganza of the same name. (He thought The Lord of the Dance was a folk song, and ended up paying a substantial sum to Sydney Carter who wrote the song.)