Choral Choir (Unison) - Level 3 - Digital Download SKU: A0.780683 By The Jewels. By Paul Gayten, Robert C Guidry, and Robert C. Guidry. Arranged by Cathy Stamegna. Blues,Contemporary,Pop,Rock,Wedding. Octavo. 5 pages. Cathy Stamegna #5215529. Published by Cathy Stamegna (A0.780683). (I Don’t Know Why I Love You) But I Do (Unison Choir, Piano Accompaniment). This popular, singable melody was recorded by Clarence Frogman Henry. Key of G:  Vocal range: B4-C5  (this is a minor 3rd lower than original key).  Other vocal/instrumental arrangements available, including Vocal Solo in Bb. Performance Time: 2:25.