So guys like it when girls give them mix cd's?

So i like this guy, and we flirt a lot, but we're not going out. Im in high school and i think i should get him something, but nothing to extravagant. so im thinking a mix tape? i know he like rock/ alternative music, but i'm worried he wont like my music, i like rock and alternative a lot, but what if he doesn't like the songs i like? any suggestions?