Oorspronklik: American Concert Piano Music. Five Poems After Omar Khayyam, Op. 41. The Free Lance. Version 2.0. Various. Version 2.0.
Vertaling: Amerikaanse Concert Piano Music. Vyf gedigte Na Omar Khayyam, Op. 41. Die Free Lance. Weergawe 2.0. Verskeie. Weergawe 2.0.