Annie Gosfield, born September 11, 1960, in Philadelphia, is an American composer known for blending notated and improvised music with electronic and acoustic sounds. Her career began with Burnt Ivory and Loose Wires (1998), which featured detuned piano compositions. Gosfield's work often incorporates unusual sound sources like satellite transmissions and industrial noises. She has collaborated with notable artists such as The Bang on a Can Allstars, Joan Jeanrenaud, Fred Frith, and the FLUX Quartet. Her compositions have been featured at festivals including Warsaw Autumn and ISCM World Music Days. Gosfield has received awards such as a 2012 Berlin Prize and a 2017 Guggenheim Fellowship in music composition. In November 2017, her opera The War of the Worlds, based on Orson Welles' adaptation, was presented by The Los Angeles Philharmonic.