▁so ▁much ▁that ▁he ▁engaged ▁the ▁ 1 5 - year - old ▁Spo hr ▁as ▁a ▁chamber ▁music ian . ▁In ▁ 1 8 0 2 , ▁through ▁the ▁good ▁offices ▁of ▁the ▁du ke , ▁he ▁became ▁the ▁pup il ▁of ▁Franz ▁E ck ▁and ▁accompanied ▁him ▁on ▁a ▁concert ▁tour ▁which ▁took ▁him ▁as ▁far ▁as ▁Saint ▁Petersburg . ▁E ck , ▁who ▁completely ▁retra ined ▁Spo hr ▁in ▁viol in ▁technique , ▁was ▁a ▁product ▁of ▁the ▁Mann heim ▁school , ▁and ▁Spo hr ▁became ▁its ▁most ▁prominent ▁he ir . ▁Spo hr ' s ▁first ▁notable ▁compos itions , ▁including ▁his ▁Vi olin ▁Con cer to ▁No . ▁ 1 , ▁date ▁from ▁this ▁time . ▁After ▁his ▁return ▁home , ▁the ▁du ke ▁granted ▁him ▁leave ▁to ▁make ▁a ▁concert ▁tour ▁of ▁North ▁Germany . ▁A ▁concert ▁in ▁Leipzig ▁in ▁December ▁ 1 8 0 4 ▁brought ▁the ▁influ ential ▁music ▁critic ▁Friedrich ▁Ro ch l itz ▁" to ▁his ▁kne es ," ▁not ▁only ▁because ▁of ▁Spo hr ' s ▁playing ▁but ▁also ▁because ▁of ▁his ▁compos itions . ▁This ▁concert ▁brought ▁the ▁young ▁man ▁over night ▁fame ▁in ▁the ▁whole ▁German - spe aking ▁world . ▁ ▁In ▁ 1 8 0 5 , ▁Spo hr ▁obtained ▁a ▁position ▁as ▁concert master ▁at ▁the ▁court ▁of ▁Goth a , ▁where ▁he ▁stayed ▁until ▁ 1 8 1 2 . ▁There ▁he ▁met ▁the ▁ 1 8 - year - old ▁har p ist ▁and ▁pian