Ted, that's basically all there is to it -
V1
Leader:Moon don't go
Group:Moon don't go
Leader:Moon don't go - o
Group:Moon don't go - o
Leader:Moon don't go
Group:Moon don't go
Leader:Moon don't go - o
Group:Moon don't go - o
During this verse the group can respond with percussion instruments as well - woodblock, maracas, claves, tambourine etc are suggested.
V2
Leader:Moon don't go
Group:Clap, clap (2 claps)
Leader:Moon don't go - o
Group:clap, clap
repeat
V3
Leader:Moon don't go
Group:Clap (1 clap)
etc.
V4
Leader:Moon don't go
Group:Clap, clap (2 claps)
etc.
At least, that's the way she does it on the record. I'm sure you can improvise, given the basic framework of the song.
Robyn