▁fail . ▁Ross ini ' s ▁strateg ies ▁met ▁this ▁reality . ▁A ▁formula ic ▁approach ▁was ▁log ist ically ▁ind isp ens able ▁for ▁Ross ini ' s ▁career , ▁at ▁least ▁at ▁the ▁start : ▁in ▁the ▁seven ▁years ▁ 1 8 1 2 – 1 8 1 9 , ▁he ▁wrote ▁ 2 7 ▁oper as , ▁often ▁at ▁extremely ▁short ▁notice . ▁For ▁La ▁C ener ent ola ▁( 1 8 1 7 ), ▁for ▁example , ▁he ▁had ▁just ▁over ▁three ▁weeks ▁to ▁write ▁the ▁music ▁before ▁the ▁première . ▁ ▁Such ▁press ures ▁led ▁to ▁a ▁further ▁significant ▁element ▁of ▁Ross ini ' s ▁compos itional ▁procedures , ▁not ▁included ▁in ▁Bud den ' s ▁" Code ", ▁namely , ▁rec y cling . ▁The ▁composer ▁often ▁transferred ▁a ▁successful ▁over t ure ▁to ▁subsequent ▁oper as : ▁thus ▁the ▁over t ure ▁to ▁La ▁p iet ra ▁del ▁par ag one ▁was ▁later ▁used ▁for ▁the ▁opera ▁seria ▁Tan cre di ▁( 1 8 1 3 ), ▁and ▁( in ▁the ▁other ▁direction ) ▁the ▁over t ure ▁to ▁A ure li ano ▁in ▁Pal mi ra ▁( 1 8 1 3 ) ▁ended ▁as ▁( and ▁is ▁today ▁known ▁as ) ▁the ▁over t ure ▁to ▁the ▁comedy ▁Il ▁bar bi ere ▁di ▁S iv iglia ▁( The ▁Bar ber ▁of ▁Se ville ). ▁He ▁also ▁liber ally ▁re - emp loy ed ▁a rias ▁and ▁other ▁sequences ▁in ▁later ▁works . ▁S pi ke