If They Only Knew sheet music. Arrangement for Piano. By Charles Miller, Kevin Hammonds, Elvis Presley and Charles W. Miller
For Piano, style Classical, Jazz and Country
By Johann Sebastian Bach, Ward Swingle and Jem Griffiths, for Piano, Electric guitar and Guitar, style Electronic, Adult Alternative and Alternative Pop/Rock
By Kris Bowers, for Violin, style Classical
By Daryl McKenzie, for Bass, Piano and Guitar, style Pop
By Ivor Novello, The Teddy Bears and Maggie Chapman, for Guitar, Piano and Electric guitar, style Stage & Screen, Pop Rock and Metal
By Michelle Branch, for Electric guitar, Guitar and Piano, style Pop, Pop Rock and Rock