s op rano , ▁ten or , ▁bar it one ▁and ▁bass ) ▁and ▁a ▁ 2 0 ▁piece ▁or chestra ▁of ▁pic colo / fl ute , ▁ob oe / English ▁horn , ▁clar inet / b ass ▁clar inet , ▁ten or / al to / s op rano ▁sa x oph one , ▁bass oon , ▁horn , ▁tr ump et , ▁trom bone / eu phon ium , ▁t uba , ▁har p , ▁ac oust ic ▁guitar , ▁synth es izer / p iano , ▁per cussion ▁and ▁strings . ▁ ▁R oles ▁ ▁Syn opsis ▁Wayne ▁Ko esten baum ▁has ▁described ▁the ▁loose ▁narr ative ▁of ▁his ▁libre tto ▁as ▁a ▁" col lage " ▁in ▁the ▁style ▁of ▁Ger tr ude ▁Stein ' s ▁libre tto ▁for ▁Four ▁Sain ts ▁in ▁Three ▁Act s , ▁an ▁opera ▁by ▁ 2 0 th - century ▁American ▁composer , ▁Vir g il ▁Thom son . ▁Ko esten baum ▁ ▁has ▁written ▁both ▁poetry ▁and ▁non - f iction ▁works ▁on ▁opera ▁and ▁on ▁icon ic ▁opera ▁sing ers ▁like ▁Maria ▁Call as . ▁It ▁is ▁not ▁surprising ▁that ▁in ▁addition ▁to ▁the ▁character ▁of ▁Maria ▁Call as , ▁there ▁are ▁several ▁conscious ▁all us ions ▁to ▁the ▁art - form ▁in ▁the ▁Jack ie ▁O ▁libre tto . ▁These ▁include : ▁V io lett a ' s ▁death ▁aria ▁from ▁La ▁tra vi ata , ▁reflected ▁in ▁Add io ▁Del ▁Pass ato ; ▁the ▁fun eral ▁py re