This is a fun but very playable slip jig in 9/8, also known as Elizabeth Kelly's Delight.
Like the famous Butterfly, this tune is a slip jig, in 9/8 time. It's a lot of fun to play and a great addition to your ghostly repertoire. The first verse features a rollicking open hand pattern in the left hand--it looks impressive but is not hard to master. There is also some fun parallel motion in the second verse.
A Dorian (key of G); 2 pages of music. No lever changes. No fingerings or brackets.
Listen to Wandering Spirit (software-generated mp3):