Flute,Guitar,Instrumental Duet - Level 1 - Digital Download SKU: A0.1148383 By Eric Clapton. By Bob Dylan. Arranged by Art.o Artaud. Chamber,Children,Film/TV,Instructional,Standards. 2 pages. Art.o Artaud #748556. Published by Art.o Artaud (A0.1148383). Arrangement for EASY level flute and EASY level guitar of Bob Dylan’s Knockin’ on Heaven’s Door, in the key of G major student/teacher duet.