Small Ensemble Cello,Flute,Piano - Level 3 - Digital Download SKU: A0.866487 By Christina Perri. By Christina Perri and David Hodges. Arranged by Catherine Crawley. Pop. Score and parts. 7 pages. Catherine Crawley #3534665. Published by Catherine Crawley (A0.866487). This is A Thousand Years by Christina Perri arranged in the key of G major for the intermediate to late intermediate pianist for piano with optional flute & cello, and perfect for weddings.