Boombox With Auxiliary Input Is There Any Way To Connect An External Hard Drive With An USB And Interface To A Boombox With A Mini-jack?

Is there any way to connect an external hard drive with an USB and interface to a boombox with a mini-jack? - boombox with auxiliary input

I have an external hard drive full of MP3's equipped with a USB port and I can not connect to my laptop with stereo mini-jack equipped auxiliary. How can this be done? It can be done?