Whats the name of that Christian song?

Ok, its driving me crazy, i don't have that much detail, but ive heard it twice, haven't found the name... its sounds like Third Day to me, but i went through like all their songs and the song says something like this... "were singin holy holy" and ive tried sing a song by third day and stuff, wasn't them... please help me out if u know it, i wish i had more details on the song, it mighta said "hallejujah" idk.. but u might know