Hello guys, i'm creating a basic educational game for my homework,

In the first slide i added a music track that sounds automatically when you press F5, but in slide 2, i added a button that links to slide 1, when i click that button, and i go back to slide 1... the music does'nt sound until i give a click

what's the problems'??

can you help me?¿

i cant upload the files directly because, theyre 5mb each
follow this mega link to get the ppsx and pptm files:

ppsx file: https://mega.nz/#!7QwUgBDS!GeBVCVgfr...kFH5tEWpOzQdsA

pptm file https://mega.nz/#!eEZFiQxa!x-sDzAUsN...pU9b792zcuV9r0

thankyou<2<!!