Most of my music is notated, and I also usually have sheet music on my merchandise table. But I also give free improvisation performances, usually alongside compositions but also in improvised solo and group sets.
Brooklyn: instant composition with Mara Mayer, Valerie Kuehne:
(violin and multiple instruments)
http://music.joelmellin.com/track/dapple-grey
Pittsburgh: improvisation with improv trio Pariah Dog:
Rotterdam: solo acoustic improvisation at Wolfart Gallery
West Virginia: improvisation at voice of the valley noise rally
(solo electric violin with foot percussion)
Dallas, Texas: improvised accompaniment to poem by Christopher Dawood George:
(violin)
Pittsburgh: improvisation with Marc Edwards:
(violin)
Lowell, MA: free improvisation at X-Fest
(violin, trumpet, circuit-bent electronics, performance art)