Strange problem, music changes pitch


At the start of my game, my music starts pitched down a few half tones from where it should be. It then switches back to the right pitch, and back. Also, it “glides” down gradually to the other pitch. Sounds a bit like a broken record player.

Needles to say, i have not implemented any kind of pitch automation or a parameter for controlling pitch in my music! It’s just supposed to play (and has done so in earlier versions).

Any idea what might be causing this?
Running 1.08.09 with a custom build of UE 4.12.5

Thank you,

Found the solution myself,
for some reason doppler was activated on the master of the music event. ^^