Instrumental Duet Cello,Instrumental Duet,Violin - Digital Download SKU: A0.881693 Composed by Joseph Barnby. Arranged by mcbleke. Wedding. Score and parts. 5 pages. Martyna agnieszka bleke #4776419. Published by martyna agnieszka bleke (A0.881693). Perfect Love  - Joseph Barnby 1880. Barnby wrote the music for this hymn, to be used at the wedding of Princess Louise of Wales and the Duke of Fife. String duo version - Violin Cello.