Gather 3rd ed included this TAIZE chant by Jacques Berthier. The chorus is a prayerful mantra that works well on its own, but there are the cantor’s lines to use as well over the ostinato refrain.
There are versions in English, French, Spanish and Polish. The English text is here. I can only find a handbell version at GIA but it appears to available in every format conceivable at the TAIZE shop.