, ▁they ▁were ▁highly ▁influ ential ▁works . ▁Gr oups ▁in ▁Europe ▁have ▁begun ▁programming ▁Reich a ' s ▁quart ets , ▁and ▁first ▁modern ▁ed itions ▁and ▁first ▁record ings ▁are ▁now ▁in ▁the ▁works . ▁Joseph ▁W öl fl ▁( 1 7 7 3 – 1 8 1 2 ): ▁An ▁Aust rian ▁student ▁of ▁Michael ▁Hay dn ▁and ▁Leopold ▁Moz art ▁and ▁a ▁rival ▁of ▁Be eth oven ▁composed ▁at ▁least ▁ 1 3 ▁string ▁quart ets ▁including ▁three ▁quart ets ▁Op . ▁ 4 , ▁three ▁quart ets ▁Op . ▁ 3 0 ▁and ▁six ▁quart ets ▁Op . ▁ 5 1 . ▁Hy ac int he ▁J adin ▁( 1 7 7 6 – 1 8 0 0 ): ▁Tw elve ▁string ▁quart ets ▁in ▁four ▁opera , ▁O pp . ▁ 1 , ▁ 2 , ▁ 3 , ▁ 4 , ▁all ▁in ▁four ▁movements ▁except ▁Op . ▁ 4 , ▁No . ▁ 1 . ▁Mode led ▁on ▁Hay dn ▁& ▁Moz art ; ▁pre - rom antic . ▁Joseph ▁Kü ff ner ▁( 1 7 7 6 – 1 8 5 6 ): ▁At ▁least ▁five ▁string ▁quart ets ▁( Op . ▁ 4 1 ▁nos . ▁ 1 – 3 , ▁Op . ▁ 5 2 , ▁Op . ▁ 1 7 8 ) ▁Johann ▁Nep om uk ▁Hum mel ▁( 1 7 7 8 – 1 8 3 7 ): ▁Three ▁string ▁quart ets , ▁Op . ▁ 3 0 , ▁No