The three sections of this Triptych can be described as follows: the left-hand panel — Misery — depicts the vale of tears; Transitio on the right-hand panel represents a transformation in everyday life, whilst Transfiguratio , the central panel, portrays the brilliant colours of transcendental bliss.

This project represents a starting point in gently opening up the possibilities of incorporating an element of improvisation into the oeuvre of Bach's chamber music. Given that both Toshi and Anthony are improvising musicians, able and willing to extemporise in a variety of genres (jazz, folk music, early music, etc.), but also being devotees of the repertoire and musical language of Bach, it seemed natural to use certain works of Bach’s as a basis for new invention.

Édouard Lassen never stopped composing. His copious oeuvre contains examples of almost every genre in favour in the second half of the 19th century, from piano pieces to operas, choral works, symphonic and concertante pieces. His international reputation was secured especially by his theatrical works.