Organ - Level 3 - Digital Download SKU: A0.1257117 By Britney Spears. By Alexander Kronlund, Martin Sandberg, and Rami Yacoub. Arranged by Rob Hlebinsky. 21st Century,Pop. Score. 6 pages. Rob Hlebinsky #850438. Published by Rob Hlebinsky (A0.1257117). Lucky by Britney Spears arranged for the pipe organ. Difficulty rating: Intermediate.