String Ensemble,String Trio Cello,Violin - Level 3 - Digital Download SKU: A0.1495375 By N Sync. By Richard Marx. Arranged by Homco/Crinion. Pop,Wedding. 7 pages. Homco/Crinion #1071888. Published by Homco/Crinion (A0.1495375). This I Promise You is a ballad by the American boy band 'NSYNC. There is also a Spanish language version of this song: Yo te Voy a Amar. The song is a timeless classic about the journey of 2 hearts bound by unbreakable love. This is often a special request at weddings - and it is a perfect choice. The violins carry the melody throughout in this arrangement.