[8] Although their copies of the composition survive, neither is its earliest known version; an earlier reading of BWV 894 is found in copies by Johann Peter Kellner (1725) and Johann Nikolaus Mempell (mid-18th century).
[1][9] In 1970 Hans Eppstein argued that the lost model for BWV 894 may have been a keyboard concerto, but this cannot be demonstrated conclusively.
8, "Concert in A moll für Flöte, Violine und Clavier mit Begleitung von Zwei Violinen, Viola und Continuo" (Concerto in A minor for flute, violin and keyboard with an accompaniment of two violins, viola and continuo), pp.
The incipits of the Triple Concerto's movements are rendered on p. 217 of the BGA's thematic catalogue (Volume 46, published in 1899):[13][2][21][22]
Philipp Spitta describes the concerto as an arrangement "of really dazzling artistic quality and splendour",[2] and considers the transformation of the keyboard solo BWV 894 into the Triple Concerto more remarkable than the transformation of the violin solo BWV 1006/1 into the opening sinfonia of the cantata Wir danken dir, Gott, wir danken dir, BWV 29.