Viola Duet Viola - Level 2 - Digital Download SKU: A0.1209384 Composed by Fanny J. Crosby Phoebe P. Knapp. Arranged by Abraham Maduro. Christian,Classical,Easter,Holiday,Praise & Worship. Score. 5 pages. Abraham Maduro #807506. Published by Abraham Maduro (A0.1209384). The Traditional Christian Hymn Blessed Assurance in Viola Duet arrangement, scores and parts included, D major, both parts are musical and interesting sharing the thematic elements, special for play at Church, recitals, Easter or just for enjoying at home, 75 BPM, 2 minutes long approx Early Intermediate Level.