 On April 29, 1784, she performed a concert with Mozart for Holy Roman Emperor Joseph II, where they debuted the sonata.Famously, Mozart performed his piano portion without sheet music.In 1785, Strinasacchi married Johann Conrad Schlick (born Munster, Germany, 1759— died Gotha, 1825), composer, cellist, mandolinist and konzertmeister of the Gotha ducal band.