osc uro ▁Az z ur ro , ▁premier ed ▁by ▁viol in ist ▁Jenn ifer ▁Koh ▁and ▁the ▁International ▁Contempor ary ▁Ens emble , ▁and ▁her ▁c ello ▁con cer to ▁Es prim ere , ▁written ▁for ▁and ▁premier ed ▁by ▁Matt ▁Ha im ov itz ▁and ▁the ▁University ▁of ▁Wisconsin – Mad ison ▁Sym phony ▁Orchestra . ▁ ▁A ▁Harvard ▁Musical ▁Association ▁Commission , ▁String ▁Quart et , ▁was ▁premier ed ▁by ▁the ▁Ar d itt i ▁Quart et , ▁a ▁K ous se v itz ky ▁Foundation ▁commission . ▁Cel est ial ▁City , ▁which ▁featured ▁the ▁dynamic ▁young ▁recording ▁artist ▁Jan ine ▁J ansen ▁with ▁Spect rum ▁Con cert s ▁Berlin ▁at ▁the ▁Berlin ▁Phil harm on iker ▁K amm erm us ik sa al , ▁F able ▁performed ▁by ▁Col lage ▁New ▁Music ▁at ▁Harvard ▁University , ▁and ▁a ▁From m ▁Foundation ▁Commission , ▁Non et ▁for ▁the ▁Chicago ▁Chamber ▁Mus icians , ▁which ▁was ▁premier ed ▁on ▁" Live ▁from ▁W F MT " ▁radio ▁in ▁Chicago . ▁The ▁Theater ▁Chamber ▁Play ers ▁commission ed ▁two ▁works ▁by ▁Schw ending er , ▁Songs ▁of ▁Heaven ▁and ▁Earth , ▁and ▁Magic ▁Car pet ▁Music , ▁which ▁were ▁both ▁premier ed ▁at ▁the ▁John ▁F . ▁Kennedy ▁Center ▁for ▁the ▁Perform ing ▁Arts ▁in ▁Washington ▁D . C . ▁ ▁In ▁more ▁recent ▁years , ▁her ▁Cre ature ▁Quart et ▁was ▁premier ed ▁by ▁the ▁J ACK ▁Quart et ▁on ▁the ▁Union ▁Con cert ▁series ▁in ▁Mad ison ▁W I