cer to ▁for ▁Orchestra ▁No . ▁ 6 ▁( 1 9 5 7 ) ▁ ▁Ser en ata ▁( 1 9 5 8 ) ▁ ▁String ▁Quart et ▁( 1 9 5 8 ) ▁ ▁Fl ute ▁Con cer to ▁( 1 9 6 0 ) ▁ ▁Con cer to ▁for ▁Orchestra ▁No . ▁ 7 ▁( 1 9 6 3 – 6 4 ) ▁ ▁Con cer to ▁for ▁or chestra ▁No . ▁ 8 ▁( 1 9 7 0 – 7 2 ) ▁ ▁Or ation es ▁Christ i ▁( 1 9 7 5 ) ▁ ▁Ky rie ▁( 1 9 9 0 ) ▁ ▁Notes ▁ ▁External ▁links ▁ ▁The ▁G off red o ▁Pet rass i ▁Institute ▁ ▁G off red o ▁Pet rass i ▁Un ▁ma estro ▁del ▁N ove cent o ▁▁▁▁ ▁Guardian ▁ob itu ary ▁ ▁Category : 1 9 0 4 ▁birth s ▁Category : 2 0 0 3 ▁death s ▁Category : Pe ople ▁from ▁the ▁Metropolitan ▁City ▁of ▁Rome ▁Capital ▁Category : 2 0 th - century ▁classical ▁compos ers ▁Category : Ital ian ▁classical ▁compos ers ▁Category : Ital ian ▁male ▁classical ▁compos ers ▁Category : Acc adem ia ▁Nazionale ▁di ▁Santa ▁Cec ilia ▁al umn i ▁Category : 2 0 th - century ▁Italian ▁compos ers ▁Category : 2 0 th - century ▁Italian ▁male ▁mus icians <0x0A> </s> ▁A ▁cub by - hole , ▁cub by - house ▁or ▁cub by ▁is ▁a ▁small ▁play ▁house , ▁or ▁play ▁area