Guitar - Level 3 - Digital Download SKU: A0.948731 Composed by Robert Burns, Jonathan E. Spilman. Arranged by Sandy Shalk. Celtic,Folk,World. Guitar Tab. 5 pages. Sandy Shalk #6135615. Published by Sandy Shalk (A0.948731). This Scottish tune is in OPEN G tuning for guitar and is in the key of G. Jonathan E. Spilman set a Robert Burns poem to music in 1837 resulting in Flow Gently, Sweet Afton. The Jo Stafford version is rather lovely. This arrangement is for lovers of OPEN G guitar tuning.