"Concert" model A 1899-1900. The Concert is essentially a Spring Motor machine with a large 5" mandrel. Later Model Concerts resemble the Triumph A, and final model from 1906 resembles the Triumph B. After 1906, the Concert was withdrawn. Conversion kits were available for many years in order to allow owners to play standard cylinders. The early Concert cost $125, falling to $75 within a few months.