Choral Choir (TTBB) - Level 3 - Digital Download SKU: A0.1051193 Composed by Daniel Ficarri. A Cappella,Contemporary,Latin,Sacred,Traditional. Octavo. 3 pages. Daniel Ficarri #655516. Published by Daniel Ficarri (A0.1051193). Strengthen that, God, which you have wrought in us. – This ancient text, an excerpt from Psalm 68 which is prayed as the Offertory on Pentecost Sunday, is treated in a personal, uplifting manner in this prayerful motet for TTBB choir.