If I ever get pulled over by a cop (which, oddly, hasn't happened in a really long time...) this is what I will do:
As they walk up to me, I will either roll down the car window(if driving), or very slowly and respectfully remove my helmet (if riding) and I will say to them:
"This is about those songs I downloaded, isn't it?!? Look, man , I was gonna buy the CDs, but like I couldn't FIND EM ANYWHERE! I'M REALLY, REALLY SORRY!!"
Then they will shake their head and leave me alone.