▁out , ▁and ▁this ▁suggests ▁strongly ▁that ▁the ▁practice ▁of ▁notes ▁in ég ales , ▁of ▁rh yth mic ▁alter ation , ▁was ▁known ▁to ▁Bach ▁and ▁his ▁circle . ▁In ▁his ▁te ens , ▁Bach ▁travel led ▁and ▁studied ▁at ▁the ▁French - model led ▁Court ▁of ▁Georg ▁Wilhelm ▁in ▁C elle ▁( near ▁Lü ne burg ) ▁in ▁northern ▁Germany , ▁where ▁there ▁was ▁an ▁or chestra ▁model led ▁on ▁the ▁Con cert ▁Royal ▁of ▁L ul ly . ▁During ▁this ▁time ▁it ▁is ▁believed ▁he ▁studied ▁and ▁wrote ▁compos itions ▁in ▁the ▁French ▁Style , ▁such ▁as ▁a ▁five - part ▁incomplete ▁Fant as ie ▁and ▁F ug ue ▁for ▁organ , ▁B W V ▁ 5 6 2 , ▁that ▁is ▁based ▁exactly ▁on ▁the ▁vo icing , ▁texture , ▁and ▁structure ▁of ▁the ▁works ▁of ▁the ▁French ▁bar o que ▁composer ▁De ▁Gr igny , ▁and ▁would ▁make ▁it ▁el ig ible ▁for ▁notes ▁in ég ales . ▁His ▁later ▁work , ▁the ▁Fant asia ▁and ▁F ug ue ▁in ▁C ▁minor , ▁B W V ▁ 5 3 7 , ▁also ▁uses ▁the ▁same ▁mostly ▁ 8 th ▁note ▁texture , ▁is ▁written ▁in ▁the ▁same ▁time ▁signature , ▁features ▁a ▁similar ▁texture , ▁and ▁respond s ▁well ▁to ▁the ▁application ▁of ▁long – short ▁notes ▁in ég ales ▁to ▁the ▁even ly ▁not ated ▁ 8 th ▁notes , ▁and ▁short – long ▁to ▁the ▁sl ur red ▁ 8 th ▁note ▁pairs , ▁also ▁typical