It is a setting of the section of Isaiah 55 which is used as one of the readings from the Catholic Easter Vigil service.
The tune was written by Fr Andersen: it is in a major key (C in the original printing), with a 3:4 time signature.
Solo singer, backing track
LyricsThe lyrics are copyright. The song has three verses and a chorus - it starts with the chorus and this is repeated after every verse. A rough outline over the verses is below - and the full version is currently found here.
Come to the water, you who are thirsty... Come! Listen! Live!
1 Why spend your money on what cannot fill ...
2 Just as the heavens are high above earth,
3 Just as the rain falls to water the earth,