Speculum Musicae has long served as one of the foremost ensembles to champion new music, in particular academic avant-garde music. While that description may be a bit limiting in defining its overall scope, considering the ensemble has performed such neo-Classical, relatively tame works as Irving Fine's 1957 Fantasia for string trio and Benjamin Britten's even more conventional 1932 Phantasy Quartet, it nevertheless conveys the general purpose of the group's mission. But Speculum Musicae is not only widely hailed for its advocacy of challenging new music, but for its virtuosic...