The title page has the same indication and dedication lines, though the opus number was added later, not by the composer.
[1] Instead the composer moved the original first movement, the G major Molto allegro in alla breve time, to the end of the quartet, making it the finale.
However, this tempo indication does not appear in the autograph, it is taken from the other manuscripts and was also printed in all the concert programs during the composer's lifetime.
[1] This quartet belongs to a group of compositions by Oswald which he preferred to perform at his recitals, the others being the Piano Trio, Op.
The piece had a great effect on the French musician, who addressed Oswald thus: "I am delighted.
The tempo indications, slightly different in manuscripts, are unified by José Eduardo Martins in his edition.
The first movement begins with an ostinato accompaniment in the left hand part of the piano.
The fourth variation brings a change: it is in E major with a smooth melody in the violin part.
[3] At Departamento de Música of ECA/USP there is a printed version of the cello part of the quartet (only the first movement) published by Edizione Nuova Revizione.
[1] The quartet remained unpublished until 2001, when José Eduardo Martins made a critical edition of it: