“Bring Me To Light” from Jeanine Tesori‘s musical Violet (2015) is filled with some amazing key changes, outlined below:
Starts in A Major
to G Major (0:43)
to E Major (1:02)
to Gb Major (1:33)
to G Major (2:04)
to C Major (subtly) (2:20)
to Eb Major to the end (2:39)