▁as ▁substantial ▁as ▁the ▁other ▁major ▁concert os ▁in ▁his ▁re per toire ▁that ▁he ▁was ▁offering ▁for ▁pros pective ▁or chestra ▁engag ements . ▁ ▁Br is elli ▁asked ▁Bar ber ▁if ▁he ▁would ▁rewrite ▁the ▁finale ; ▁he ▁could ▁premi ere ▁it ▁at ▁a ▁later ▁date ▁to ▁give ▁Bar ber ▁more ▁time ▁if ▁needed . ▁He ▁suggested ▁possible ▁ways ▁in ▁which ▁the ▁movement ▁could ▁be ▁deep ened ▁or ▁expanded ; ▁perhaps ▁even ▁changing ▁its ▁form ▁altogether ▁such ▁as ▁a ▁son ata - r ondo ; ▁that ▁perhaps ▁he ▁might ▁expand ▁the ▁third ▁movement ▁while ▁possibly ▁retain ing ▁the ▁M oto ▁perpet uo ▁as ▁the ▁middle ▁section ▁and ▁giving ▁it ▁more ▁clearly ▁defined ▁struct ural ▁parameters . ▁Br is elli ▁felt ▁that ▁only ▁then ▁would ▁it ▁be ▁a ▁complete , ▁first - class ▁con cer to . ▁▁ ▁Despite ▁Br is elli ' s ▁pro dd ing , ▁Bar ber ▁was ▁dismiss ive ▁of ▁his ▁suggestions ▁and ▁decl ined ▁to ▁alter ▁it . ▁ ▁This ▁was ▁a ▁big ▁disappoint ment ▁for ▁Br is elli , ▁who ▁believed ▁that ▁with ▁a ▁substantial ▁third ▁movement , ▁the ▁work ▁could ▁stand ▁as ▁a ▁great ▁American ▁viol in ▁con cer to . ▁Br is elli ▁decided ▁to ▁hold ▁his ▁ground ▁regarding ▁the ▁finale ▁and ▁chose ▁to ▁for ego ▁the ▁con cer to ' s ▁premi ere ▁and ▁rel in qu ish ▁his ▁claim ▁on ▁it . ▁On ▁December ▁ 1 4 , ▁Bar ber ▁wrote ▁F els ▁that , ▁as ▁he ▁probably ▁already ▁knew , ▁Br