He has worked with performing ensembles as Artistic Director for recordings of many European ensembles and soloists, and during the 1999–2000 season directed both Speculum Musicae and the Columbia Sinfonietta.
Brooke’s instrumental works have been performed by the Paul Dresher Ensemble, the Nash Ensemble of London, Orchestra 2001, Dan Druckman, Speculum Musicae, and New York’s Gamelan Son of Lion.
His wide-ranging repertoire, which spans Bach to Xenakis, has enabled him to lead such accomplished groups as the American Composers Orchestra, the New York New Music Ensemble, the Chamber Music Society of Lincoln Center, Columbia Sinfonietta, Speculum Musicae, Cygnus Ensemble, the Fromm Players at Harvard University, the Composers' Ensemble at Princeton University, and the New York Philharmonic chamber music series.