Flute Solo - Digital Download SKU: A0.836412 By Calvin Harris Feat. Sam Smith. By Calvin Harris, Jessica Reyes, and Sam Smith. Arranged by Karen O'Brien. Contemporary. Individual part. 2 pages. Karen O'Brien #5217987. Published by Karen O'Brien (A0.836412). Transcription of 'Promises' by Calvin Harris and Sam Smith for flute. This song is in the original key and works really nicely on flute. This transcription can be played with a backing track of the original song.