lace ▁and ▁G rom it ▁that ▁are ▁shown ▁between ▁the ▁orch est ral ▁pieces . ▁ ▁The ▁animated ▁scenes ▁are ▁made ▁to ▁interact ▁with ▁the ▁conduct or ▁on ▁stage ▁through ▁an ▁in vention ▁called ▁a ▁Ma est rom atic . ▁ ▁This ▁is ▁a ▁conduct or ' s ▁stand ▁with ▁a ▁plate ▁of ▁che ese ▁and ▁crack ers ▁and ▁a ▁ch ute ▁which ▁receives ▁letters ▁and ▁compos itions ▁from ▁Wal lace , ▁who ▁is ▁said ▁to ▁be ▁below ▁the ▁concert ▁hall . ▁ ▁A ▁new ▁musical ▁composition ▁by ▁Wal lace ▁is ▁sl ated ▁to ▁be ▁played ▁by ▁the ▁end ▁of ▁the ▁night , ▁called ▁" My ▁Con cer to ▁in ▁E e , ▁Lad ". ▁ ▁Wal lace ▁invent ed ▁a ▁mechan ized ▁pet rol ▁power ed ▁piano ▁called ▁the ▁pian om atic ▁to ▁play ▁the ▁t une , ▁but ▁the ▁in vention ▁back f ired ▁on ▁itself ▁and ▁the ▁piano , ▁along ▁with ▁his ▁con cer to , ▁was ▁destroyed . ▁G rom it ▁ended ▁up ▁saving ▁the ▁night ▁by ▁compos ing ▁his ▁own ▁musical ▁piece , ▁" A ▁Double ▁Con cer to ▁for ▁Vi olin ▁and ▁Dog ", ▁which ▁he ▁played ▁on ▁a ▁pr ic eless ▁Str ad iv arius ▁viol in ▁found ▁below ▁the ▁concert ▁hall ▁over ▁the ▁monitor ▁with ▁English ▁classical ▁viol in ist ▁Tas min ▁Little . ▁In ▁the ▁end , ▁Wal lace ▁con gr at ul ates ▁G rom it ▁for ▁a ▁job ▁well ▁done , ▁gives ▁him ▁a ▁bou quet ▁of ▁flowers ▁from ▁a ▁mechan ized