Cassiel is the pseudonym for London, UK-based composer, performer, software architect and media artist Nick Rothwell.

Cassiel plays live sets of pulse-based electronica utilising a variety of control surfaces and custom-designed software performance systems, with a musical style which shifts from Berlin-school to soothing ambient, tribal or glitch, but always with imaginative timbral design and strong harmonic structures.

Cassiel has worked at STEIM (Amsterdam), CAMAC (Paris), ZKM (Karlsruh...