You need others because Tech and Krizz have not been a surprise duo since they debuted. Don't get me wrong, they are a good duo. But when you add someone new to the track, it brings new things to the table. They get to vibe off each others presence and that can evolve into something dope. If Cee-lo fans find the track, listen to it, feel Tech's verse, look into him, Tech just got a new fan. It can be great for Tech fans and Tech himself. It's like saying, "Why ask for a Tech and Twista track, when you already have Tech?"