These late changes by Bart¢k are taken into account in this definitive edition of the string quartets supervised by Bart¢k scholar L szl¢ Somfai, with problematic passages in the sources carefully documented. It is the first-ever Urtext edition of this work. Sensible page turns and cue notes in the parts mean that this edition is ideal for exploring Bart¢ks sound world in performance. - the publisher