Dates based on Britten's diary entries of the time.
31 Dec 1929-15 Jan 1930
This piece was originally called 'Rhapsody', and sources 2-7 have this title written on them.
12 items
Material has been microfilmed and is available as follows:
Composition sketch: A65, frames 301 - 316
Fair copy: A65, frames 317 - 337
Discarded early version: A65, frames 293 - 300
Instrumental parts: A65, frames 338 - 348
Archive
https://www.bpacatalogue.org/archive/BBM-bagatelle