Guitar,Piano,Vocal,Voice - Level 2 - Digital Download SKU: A0.513482 Composed by Brad Ellis, Iain James, Jez Ashurst, Leona Louise Lewis, and Richard Stannard. Arranged by Mark Waters. Christmas,Pop. Score. 5 pages. Mark Waters #124248. Published by Mark Waters (A0.513482). Arrangement of One More Sleep - artist Leona Lewis. Piano with right hand melody line. Lyrics and chords. Easier key of C.