EntityQ99386· pop 16· linked from 38 articlesConrad GrafSign in to saveGerman-Austrian piano makerConnectionsGrove Dictionary of Music and MusiciansEntitypiano pedalEntityBerlinEntityViennaEntityLudwig van BeethovenEntityWolfgang Amadeus MozartPersonYouTubeConceptFrédéric ChopinEntityThe HagueEntityDüsseldorfEntityFranz SchubertEntityInternational Standard Book NumberEntityBonnEntityQ12004EntityJohannes BrahmsEntityJoseph HaydnEntityGustav MahlerEntityRobert SchumannEntityFranz LisztEntityFelix MendelssohnEntityCategories1782 births1851 deathsPeople from Further AustriaPeople from RiedlingenPeople from the Austrian EmpirePiano makers