phony ▁represents ▁the ▁' s ac red ▁and ▁sec ular ▁in ▁human ▁life ' ▁with ▁a ▁double ▁or chestra ; ▁and ▁his ▁nin th ▁sym phony ▁represents ▁Die ▁Jahres ze iten ▁( The ▁Se asons ). ▁ ▁( The ▁aut ograph ▁score ▁of ▁the ▁t enth ▁sym phony , ▁which ▁be ars ▁the ▁complete ▁work , ▁is ▁held ▁by ▁the ▁Staats bibliothek ▁Berlin . ▁Furthermore ▁the ▁same ▁institution ▁holds ▁a ▁complete ▁set ▁of ▁copied ▁parts . ▁C f . ▁also ▁). ▁Between ▁ 1 8 0 3 ▁and ▁ 1 8 4 4 ▁Spo hr ▁wrote ▁more ▁viol in ▁concert os ▁than ▁any ▁other ▁composer ▁of ▁the ▁time , ▁eigh teen ▁in ▁all , ▁including ▁works ▁left ▁un pub lished ▁at ▁his ▁death . ▁Some ▁of ▁them ▁are ▁formally ▁un con vent ional , ▁such ▁as ▁the ▁one - mov ement ▁Con cer to ▁No . ▁ 8 , ▁which ▁is ▁in ▁the ▁style ▁of ▁an ▁oper atic ▁aria , ▁and ▁which ▁is ▁still ▁period ically ▁rev ived ▁( J as cha ▁He if etz ▁champion ed ▁it ), ▁most ▁recently ▁in ▁a ▁ 2 0 0 6 ▁recording ▁by ▁Hil ary ▁H ahn . ▁There ▁are ▁two ▁double - vi olin ▁concert os ▁as ▁well . ▁Better ▁known ▁today , ▁however , ▁are ▁the ▁four ▁clar inet ▁concert os , ▁all ▁written ▁for ▁the ▁virt u oso ▁Johann ▁Simon ▁Herm sted t , ▁which ▁have ▁established ▁a ▁secure ▁place ▁in ▁clar in ett ists ' ▁re per toire . ▁ ▁Among ▁Spo