This transcription was based on the original manuscript, my source being the version copied by Anna Magdalena Bach. The dynamics and articulations follow the manuscript as closely as possible. I have added none of my own so as to leave the performer free to interpret this rich music.

I realise that for most clarinettists, playing from a score with no tempi, dynamics, articulations and breathing marked will be a little confusing. But that is precisely what I believe is so rich about this versi...