▁movement ; ▁No . ▁ 2 ▁Op . ▁ 5 ▁( 1 9 5 3 ), ▁a ▁piece ▁in ▁three ▁movements ; ▁No . ▁ 3 ▁Op . ▁ 9 ▁( 1 9 6 0 ), ▁in ▁four ▁movements ; ▁No . ▁ 4 ▁Op . ▁ 1 8 ▁( 1 9 6 9 ), ▁in ▁three ▁movements ; ▁and ▁No . ▁ 5 ▁Op . ▁ 2 4 ▁( 1 9 7 5 ), ▁in ▁two ▁movements . ▁Luci ano ▁Ber io ▁( 1 9 2 5 – 2 0 0 3 ): ▁Qu atu or ▁No . ▁ 1 ▁( 1 9 5 6 ), ▁dedicated ▁to ▁Bruno ▁Mad erna ; ▁S inc ron ie ▁( 1 9 6 3 – 6 4 ); ▁Not turn o ▁( 1 9 9 3 ); ▁G los se ▁( 1 9 9 7 ). ▁Pierre ▁Bou lez ▁( 1 9 2 5 – 2 0 1 6 ): ▁Liv re ▁pour ▁qu atu or ▁( 1 9 4 9 ) ▁with dra wn , ▁rec ast ing ▁some ▁parts ▁later ▁as ▁Liv re ▁pour ▁cord es ; ▁l ately , ▁ens emb les ▁have ▁been ▁showing ▁interest ▁in ▁the ▁work ▁as ▁a ▁whole , ▁with ▁Part s ▁I , ▁II , ▁III , ▁V ▁and ▁VI ▁recorded ▁recently . ▁Bert old ▁Hum mel ▁( 1 9 2 5 – 2 0 0 2 ): ▁String ▁Quart et ▁No . ▁ 1 , ▁Op . ▁ 3 ▁( 1 9 5 1 ); ▁String