How do I match this pattern with regex (python)

Question

I have a bunch of files that are in this pattern:

-Ae829mFAGGE.mp3
-tt2k8PGm-TI.mp3
-SVOuYquXuuc.mp3
-3y44BJgkdZs.mp3
-eH3giaIzONA.mp3

I want