Don't know the original words, but we (in the churches of Christ, at least in the US)sing
"Love, love, love, love.
The Gospel in a word is love.
Love thy neighbor as thy brother.
Love, love, love."

Joy, joy, joy, joy,
The gospel in a word is joy.
Joy that fills to ever-flowing.
Joy, joy, joy.

Peace, peace, peace, peace.
The gospel in a word is peace.
Peace that passes understanding.
Peace, peace, peace.

Christ, Christ, Christ, Christ
The gospel in a word is Christ.
Love Him, serve Him, and adore Him.
Christ, Christ, Christ.