What do you mean, what do you think the two kind of sound are ?
Are you talking about instrumental and vocal? There are many classifications, and I think as for instrumental and vocal ones the differences are pretty obvious. Most of the time, they go together, but in genres like EDM, usually, one sound (instrumental, in that case) is more important. And I'm glad that there are many new artists who can come up with a masterpiece using just one electric sound pad.
...I think this is the answer but if you don't trust me its ok!