This collection of ten compositions for string quartet by Mozart includes six pieces dedicated to Joseph Haydn and three pieces composed for the king of Prussia. The King of Prussia for whom Mozart composed some of these quartets for was by all accounts a Cellist of no mean ability; especially if one may judge by these works whose Cello parts are elaborate and demanding often soaring into the upper ranges leaving the viola to take up its momentarily abandoned role as bass instrument! Works include String Quartet No. 14 in G major K387 'Spring' String Quartet No. 15 in D minor K421 String Quartet No. 16 in E flat K428 String Quartet No. 17 inB flat major K458 'The Hunt' String Quartet No. 18 in A Major K464 'Drum' String Quartet No. 19 in C major K465 'Dissonance' String Quartet No. 20 in D major K499 'Hoffmeister' String Quartet No. 21 in D major K575 'Prussian No. 1' String Quartet No. 22 in B flat major K589 'Prussian No. 2' and String Quartet No. 23 in F Major K590 'Prussian No. 3'

Commissioned by the Carpe Diem String Quartet. Reza Vali?s ?Calligraphies? series is a set of an ongoing cycle of works based on thePersian modal system the ?Dastgâh? which he has been composing since 2000. The basic compositional material of thework is derivedfrom a fast tempo genre called the ?Reng? which is usually performed at the end of a traditional Persian music concert. ?Raak? includes meter changes on almost every measure and will phase quickly between entirely homophonicsections and sections with entirely independent parts writing.

Ashoob (Calligraphy No. 14) was written for Dariush Saghafi and the Carpe Diem String Quartet. Reza Valis ?Calligraphies? series isa set of an ongoing cycle of works based on the Persian modal system the ?Dastgâh ? which he has been composing since2000. The basic compositional material of the work is derived from a fast tempo genre called the ?Reng ? which is usually performed at the end of a traditional Persian music concert. Versions for Persian Santoor with string quartet (original) andfor string quartet only are available from the publisher. The original version was premiered on March 18-20 2016 at the McConnell Arts Center in Columbus Ohio by Dariush Saghafi Santoor and the Carpe Diem String Quartet.

The full score and parts for artist and musician Martin Creed's Variations For String Quartet composed in 2013 for Violin Viola Cello and Double Bass. Martin Creed is perhaps best known for his daring and undoubtedly innovative art pieces the most controversial of which Work No. 227: The lights going on and off won the Turner prize in 2001. Lesser-known but equally as interesting are his musical endeavours playing and composing with his band as well as composing a piece commissioned for the 2012 Olympic Games opening ceremony. This work Variations For String Quartet is an exciting andmulti-layered piece that shows off the best of this artist of many talents.

Full Score-Written for Cuarteto Latinoamericano this 4-movement work marks a stylistic shift from Vali's first quartet which followed mid-20th Century atonal and serial techniques. In contrast String Quartet No. 2 is a fusion oftraditional Persian melodic modes with Western classical harmonic and formal sensibilities.