I switched from Windows to Mac. Had to wipe the external thunderbolt drive to switch from NTFS to HFS+. After I opened iTunes for the first time, I configured all the preferences to my liking, and pointed the iTunes Media folder to my external 4TB drive. I'm now importing all my music again. 108 albums in I decided to look at the Storage tab in "About My Mac." It's showing that iTunes is consuming space on the external drive AND the internal SSD. I double checked and verified that the files are indeed on the external. The iTunes Media folder on the SSD is empty. What's going on here?