Chales Busrass tshaj tawm tias tus sau kev tshawb fawb ntawm kev tshawb fawb pob zeb pob zeb Operatis, uas suav nrog peb ntu peb ntu. Raws li nws, nws nthuav tawm cov xwm txheej ntawm nws Opera mus rau peb pawg nkauj, ntawm tus uas tau muse. Tab sis tsis muaj leej twg los ua neeg xav tau nws lub tswv yim. Raws li zaj dab neeg ntawm pob zeb Opera, thaj av yog nyob rau ntawm kev rhuav tshem thiab tib neeg raug yuam kom nrhiav txoj kev mus rau txoj kev cawm seej. On album cov tsis kam 2009, cov pab pawg ua haujlwm tau muaj extrationes: symphony part 2 (tus ntoo khaub ncaws Part 2 (uas yog Charles Bulfass, thiab zwm rau cov haujlwm heev rau nws. Tus sawv cev ntawm cov pab pawg tsis lees qhov kev ncaj ncees ntawm cov nqi, "nws cov lus hais tias cov pab pawg tsis pom tus neeg uas tsis tau hnov dua ib pawg. Album tau tso tawm tau peb xyoos dhau los, tab sis hais txog nws cov ntaub ntawv tus txiv neej txiav txim siab tshaj tawm tam sim no - nws hais txog ntau yam. "