BACH.Bow n°11 “Ex Borer” – Violin
This curved bow, crafted in 1998, was one of three BACH.Bows in the collection of Dr. Philippe Borer, who passed away in 2023. It features a gently curved design that nevertheless allows polyphonic playing across four strings. The bow has been professionally reconditioned and is highly valued by violinists, particularly for its historical significance.
Beech, Aluminium, Goatskin, Mongolian Hair
“Dear Michael Bach, with the BACH.Bogen you would be able to play the chords of TIERKREIS together with the melodies. I am sending you the score.”
Karlheinz Stockhausen
The new version of TIERKREIS for violoncello with curved bow was premiered by Michael Bach on June 24, 1998, in Bayreuth.















