I guess the word's use has been in circulation for quite some time.
Can't wait for Giovanni Antonini conducting Kammerorchester Basel's new recording La Reine to drop.
It kind of makes sense if you think about the resurgence of vinyl. I ‘drop’ a LP on the turntable (albeit very very gently). It’s gone on now to mean ‘release’. Of course how many people say they are going to ‘dial’ a number still....