173 (subtitled For 4 Actors, 14 Instrumentalists Constructed Environment and Video Projections) is an album by American saxophonist and composer Anthony Braxton with orchestra and actors recorded in 1994 for the Italian Black Saint label.

[1][2][3] The AllMusic review by "Blue" Gene Tyranny stated "This musically and textually complex composition examines movement-strategies that occur in normal life in various spaces ...

The music is exciting and contrapuntally dense, and at other times mysteriously sustained.

Maps of geography (sounds moving about the real and imaginary and video "virtual" lands) and musical graph strategies are treated as analogs.

A thoughtful and innovative "multimedia" work".