Flute Duet Flute - Level 2 - Digital Download SKU: A0.973938 By Billie Eilish. By Billie Eilish O'Connell, Billie O Connell, Finneas O Connell, and Finneas O'Connell. Arranged by Alexander Bosrup Karlsen. Pop. Score. 3 pages. Alexander Bosrup Karlsen #5314385. Published by Alexander Bosrup Karlsen (A0.973938). Billie Eilish' Monster hit ranged from two flutes in the original key.Feel free to contact me on alexander.bosrup@gmail.com if you got any questions. Check out my other arrangements here: https://www.sheetmusicplus.com/publishers/alexander-bosrup-karlsen-sheet-music/3016025?ac=1 Backingtracks: https://www.youtube.com/channel/UCW_SF7NifB-ms_TTNhfRxuQ?disable_polymer=true