Who brought us out of darkness into his marvelous light? Separated, consecrated, dedicated for the

[DeezEyes]

I am hoping someone can give me the correct title to this song and the name of the gospel group who sings it, it goes, A chosen generation, of royal priesthood, and then the chorus goes who brought out of darkness into his marvelous light, repeat, then separated, consecrated, dedicated for the service of God. I would like to know who sings it so I can listen to the song on youtube, if it's posted there.