3 1 , ▁as ▁the ▁earliest . ▁Aus ▁der ▁T ief en ▁r ufe ▁ich , ▁Herr , ▁zu ▁dir ▁is ▁known ▁to ▁have ▁been ▁composed ▁in ▁M ühl hausen ▁in ▁ 1 7 0 7 / 1 7 0 8 . ▁▁ ▁Arn stadt , ▁where ▁Bach ▁worked ▁until ▁his ▁move ▁to ▁M ühl hausen ▁in ▁the ▁summer ▁of ▁ 1 7 0 7 . ▁Rec ent ▁scholar ship ▁suggests ▁Nach ▁dir , ▁Herr , ▁ver lang et ▁mich ▁could ▁have ▁been ▁composed ▁at ▁Arn stadt . ▁ ▁The ▁Bach ▁scholar ▁Andreas ▁Gl ö ck ner ▁argued ▁in ▁ 1 9 8 8 ▁that ▁the ▁cant ata ▁may ▁have ▁been ▁composed ▁in ▁Arn stadt . ▁The ▁scholar ▁Hans - Jo achim ▁Schul ze ▁identified ▁in ▁ 2 0 1 0 ▁a ▁remarkable ▁ac rost ic ▁in ▁the ▁con cluding ▁four ▁movements ▁( which ▁he ▁described ▁in ▁the ▁ 2 0 1 0 ▁Bach - J ahr buch , ▁the ▁journal ▁of ▁the ▁Neue ▁Bach gesellschaft ). ▁Ad just ing ▁for ▁trans position ▁errors ▁by ▁the ▁copy ist , ▁the ▁initial ▁letters ▁should ▁spell ▁D OK T OR ▁CON R AD ▁M ECK B AC H ▁and ▁pla us ibly ▁therefore ▁the ▁work ▁was ▁composed ▁to ▁mark ▁this ▁M ühl hausen ▁coun c ill or ' s ▁ 7 0 th ▁birth day ▁in ▁April ▁ 1 7 0 7 . ▁On ▁this ▁basis ▁the ▁cant ata ▁may ▁date ▁from ▁Bach ' s ▁time ▁in ▁Arn stadt . ▁Poss ibly ▁the ▁cant ata