work until the very end, which emulates a ii–V–I cadence. In terms of defining the sections of the work, the wood block is scored in a way that creates a four-part form. The first and third parts of the work have a high wood block present in the scoring, which is contrasted by a low wood block in the second part, while the final part features the absence of wood block. References Sources External links , Short Ride in a Fast Machine – BBC Proms 2014, BBC Symphony Orchestra, conducted by Marin Alsop Compositions by John Adams (composer) 1986 compositions Compositions for symphony orchestra Music commissioned by the Pittsburgh Symphony Orchestra