Instrumental Duet Flute,Guitar,Instrumental Duet - Level 2 - Digital Download SKU: A0.556695 By Martina McBride. By Traditional Swedish Folk Tune. Arranged by PianoSheetNow. Christmas,Romantic Period,Traditional. Score and parts. 6 pages. PianoSheetNow #4980131. Published by PianoSheetNow (A0.556695). How Great Thou Art is a Christian hymn based on a Swedish traditional melody and a poem written by Carl Boberg (1859–1940) Sweden, in 1885. How Great Thou Art was ranked second (after Amazing Grace) on a list of the favourite hymns of all time in a survey by Christianity Today magazine in 2001.For Flute and Guitar duet (Guitar in double D tuning (D,A,D,G,B,D)).