The Piano Sonata No. 2, Concord, Mass.,1840-60 by , commonly known as theConcord Sonata, is one of the composer'sbest-known and most highly regarded pieces.
The sonata's four movements represent figures associated with . In theintroduction to his Essays Before a Sonata (publishedimmediately before the Concord Sonata) Ives said the workwas his "impression of the spirit of transcendentalism that isassociated in the minds of many with , of over a halfcentury ago. This is undertaken in impressionistic pictures ofEmerson and Thoreau, a sketch of the Alcotts, and a supposed to reflect alighter quality which is often found in the fantastic side ofHawthorne."
According to James B. Sinclair's catalogue of Ives' works, thesonata was publicly premiered by John Kirkpatrick on November 28,1938 in . There had been earlier performances of isolatedmovements and excerpts. The second performance (given in manysources as the premiere), also given by Kirkpatrick, was given atthe Town Hall in on January 20, 1939. Among those present was ,who reviewed the piece in the March-April 1939 edition of thejournal Modern Music. A typical performance of theConcord Sonata will last around 45 minutes, making it oneof the longest of all piano sonatas.