If you approach the ghost spatially, the music changes to the ghost theme, and if you leave spatially, it changes back.
If you approach the ghost temporally, the music changes to the ghost theme, but if you leave temporally, it stays stuck on the ghost theme until you approach the ghost again.
If you approach the ghost spatially, the music changes to the ghost theme, and if you leave spatially, it changes back.
If you approach the ghost temporally, the music changes to the ghost theme, but if you leave temporally, it stays stuck on the ghost theme until you approach the ghost again.