Wraps Mix_FadeInMusicPos which plays the dsdl2.mixer.Music with a fade-in effect
how many times the chunk should be played (cast(uint) -1 for infinity)
number of milliseconds the chunk fades in before fully playing at full volume
start timestamp of the music in seconds
dsdl2.SDLException if failed to play the music
See Implementation
Wraps Mix_FadeInMusicPos which plays the dsdl2.mixer.Music with a fade-in effect