Okay, all kidding aside, while it's true that some contemporary music may be inappropriate for certain corporate times of "worship," there's no biblical support to disallow it sweepingly. Should cymbals be done away with? Should stringed instruments be done away with? Loud trumpets? The "devil's pipes" (what the pipe organ was called before it became "accepted" in the church)?
I do believe that "worship" is an engagement of a Christian's heart with the Lord, which begins with something meaningful, something consistent with sound doctrine. It's not the piano or the drums or the acapella or any sound. It's a heart thing.
That said, that "worship" may be accompanied by any sound that supports the meaning of whatever's being sung, and that encourages the "participants'" engagement with the Lord. If the congregation is primarily older people, it's not too loving, perhaps, to insist they "worship" to contemporary music.
Hm. I'll leave it at that. I am an organ/piano/keyboard player in my church's worship team, have been on a few worship albums, and love thinking of how I can better worship the Lord and encourage others to engage with the Lord as they resonate with meaningful, doctrinally-sound songs....