In 1994, Boulez revised and expanded Anthèmes I into a version for violin and live electronics at IRCAM, resulting in Anthèmes II (c. 18 minutes duration), produced in 1997.
In 1994, Boulez revised and expanded his piece "Anthèmes I" to create a version for violin and live electronic instruments at IRCAM. This resulted in "Anthèmes II," a composition lasting approximately 18 minutes, which was completed in 1997.