Beethoven's String Quartet No. 4 (Opus 18, No. 4), is part of the set of 6 quartets that Beethoven wrote between 1798 and 1800. This is the Performer's Edition of the quartet, with clean print and easy to read markings designed for the performer. This version is a pocket score, sized at approximately half a standard sheet of paper for easy transport and use for performing musicians and students.