▁Sym phony ▁Orchestra ▁was ▁released ▁in ▁December ▁ 2 0 0 5 . ▁ ▁On ▁May ▁ 9 , ▁ 2 0 0 7 , ▁F olds ▁performed ▁with ▁the ▁Boston ▁P ops ▁Orchestra . ▁The ▁or chestra ' s ▁performance ▁was ▁mar red ▁when ▁a ▁fight ▁broke ▁out ▁between ▁two ▁audience ▁members ▁in ▁the ▁bal con y , ▁though ▁F olds ▁had ▁not ▁yet ▁taken ▁the ▁stage . ▁ ▁After ▁his ▁My Space ▁performance ▁on ▁October ▁ 2 4 , ▁ 2 0 0 6 , ▁F olds ' s ▁tour ▁performances ▁began ▁to ▁feature ▁a ▁synth es izer , ▁which ▁he ▁uses ▁in ▁many ▁of ▁the ▁songs ▁when ▁played ▁live . ▁The ▁synth es izer ▁is ▁a ▁red ▁Nord ▁Le ad ▁II ▁synth es izer . ▁During ▁his ▁concert s , ▁F olds ▁frequently ▁performs ▁two ▁of ▁his ▁concert ▁trad itions : ▁pal m - sm ash ing ▁the ▁keys ▁and ▁throwing ▁his ▁st ool ▁at ▁the ▁piano . ▁ ▁In ▁March ▁ 2 0 0 7 , ▁F olds ▁went ▁on ▁a ▁head lin ing ▁tour , ▁which ▁opened ▁on ▁March ▁ 2 4 ▁at ▁Ass umption ▁College ▁in ▁Wor c ester , ▁Massachusetts . ▁In ▁the ▁summer ▁of ▁ 2 0 0 7 , ▁he ▁performed ▁as ▁the ▁primary ▁op ener ▁for ▁John ▁May er ▁during ▁his ▁Cont inu um ▁ 3 8 - day ▁summer ▁tour . ▁During ▁this ▁tour , ▁May er ▁sometimes ▁joined ▁F olds ▁on ▁the ▁song ▁" N ar cole ps y ", ▁playing