Im working on my school science fair and need help!?

my project is does music affect short term memory. me and my partner have made test for the project. and the types of music we are doing is mozart and paralizer by finger 11. ive heard that mozart helped memory and ive foud some information with that but i dont have any information about rock affecting memory and need some websites on that kind of stuff. i know this might be a hard question but if u can help that will be really nice! thanx to everyone who can help!