Mr. Coltrane, who played much of the set on sopranino saxophone, provided the trio’s most heroic voice, its main source of impassioned exposition.

The team also has scaled the imaging data to size to make mouthpieces for a range of Sax's horns, from B-flat bass to E-flat sopranino.

Mr. Braxton, playing alto, soprano, sopranino and baritone saxophones, brings his usual incorrigible insight.