mov ement ▁string ▁quart ets ▁( 1 9 9 7 – 2 0 0 5 ) ▁that ▁form ▁a ▁cycle . ▁Jefferson ▁Fried man ▁( born ▁ 1 9 7 4 ): ▁American ▁composer , ▁three ▁string ▁quart ets ▁( 1 9 9 6 , ▁ 1 9 9 9 , ▁ 2 0 0 5 ). ▁ ▁Joseph ▁Ph ib bs ▁( born ▁ 1 9 7 4 ). ▁English ▁composer . ▁Three ▁quart ets . ▁No ▁ 1 ▁( 2 0 1 4 ); ▁No ▁ 2 ▁( 2 0 1 5 ); ▁No ▁ 3 ▁( 2 0 1 8 ). ▁ ▁R . ▁Luke ▁Du Bo is ▁( born ▁ 1 9 7 5 ): ▁American ▁composer , ▁Hard ▁Data ▁( 2 0 0 9 ). ▁David ▁Philip ▁He ft i ▁( born ▁ 1 9 7 5 ): ▁Swiss ▁composer , ▁Ph ( r ) as en ▁– ▁String ▁Quart et ▁No . ▁ 1 ▁( 2 0 0 7 ); ▁G ugg is berg - Vari ationen ▁– ▁String ▁Quart et ▁No . ▁ 2 ▁( 2 0 0 8 ); ▁Mobile ▁– ▁String ▁Quart et ▁No . ▁ 3 ▁( 2 0 1 1 ); ▁con ▁fu oco ▁– ▁String ▁Quart et ▁No . ▁ 4 ▁( 2 0 1 1 ). ▁Sv it l ana ▁Az ar ova ▁( born ▁ 1 9 7 6 ): ▁Ukrain ian / D utch ▁composer , ▁Hotel ▁Charlotte ▁( 2 0 0 5 ), ▁for ▁string ▁quart et