[1] In 1966, in response to a call from Marion Brown, he moved to New York City,[4] where he co-founded the "Untraditional Jazz Improvisational Team" with Dave Burrell.
[1] He also worked with Brown, Gato Barbieri, Pharoah Sanders, Noah Howard, Sonny Sharrock, Sunny Murray, Albert Ayler, Archie Shepp, and Sun Ra,[1] as well as with John Coltrane when he was near the end of his career.
[1] In the 1970s and early 1980s Sirone recorded with Clifford Thornton, Roswell Rudd, Dewey Redman, Cecil Taylor, and Walt Dickerson.
[1] In the 1980s, he was member of Phalanx, a group with guitarist James "Blood" Ulmer, drummer Rashied Ali, and tenor saxophonist George Adams.
[2] With the Revolutionary Ensemble With Sabir Mateen and Andrew Barker With Oluyemi Thomas and Michael Wimberly With George Adams With The All Ear Trio (John Tchicai, Thomas Agergaard, and Peter Ole Jorgensen) With Albert Ayler With Billy Bang With Gato Barbieri With Dane Belany With Marion Brown With Dave Burrell With Zusaan Kali Fasteau [de] With Charles Gayle With The Group (Ahmed Abdullah, Marion Brown, Billy Bang, Sirone, Fred Hopkins, Andrew Cyrille) With Noah Howard With The Jazz Composer's Orchestra With Guerino Mazzola with the William Parker Bass Quartet With Phalanx With Dewey Redman With Pharoah Sanders With Sonny Sharrock With Cecil Taylor With Clifford Thornton