Hirn & Ei is an advanced ensemble work for four performers by Carola Bauckholt, composed in 2010–2011 for the Schlagquartett Köln. Unusually, the piece dispenses with traditional instruments, focusing instead on subtle, rhythmically intricate sounds produced through movement and the manipulation of everyday materials, notably Gore-Tex jackets. Built on finely nuanced variations in articulation, the work explores the expressive potential of seemingly mundane swishing sounds, reflecting Bauckholt’...