Sorry if this is the wrong thread for this, i wasnt sure where to put it. Picups pick the vibrations from the strings through an EMF, and not the actual sound waves, right? So how do semi-hollow basses work? They have the same type of pickups, dont they? I've played a few at music stores and they generally do sound different.. but then, every bass sounds different. What exactly does the hollow section in the body of the bass do? Sorry if this is a " " question.