Hillsong music is extremely popular and many mainstream evangelical churches use the music in their worship services.
Hillsong music is just another worm on the ecumenical hook… Rome fishing for Protestants to bring them under her dominion.
John 4:24 God is a Spirit: and they that worship him must worship him in spirit and in truth.
There can be no true worship, regardless of how beautiful the songs, when false doctrines abound.
2 John 1:9 Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath both the Father and the Son.