File:Haydn StringQuartetInDMajorOp.64 JosephHaydn-StringQuartetInDOp.645H363Lark-01-AllegroModerato.ogg Source: en.wikipedia.org/wiki/File:Haydn_StringQuartetInDMajorOp.64_JosephHaydn-StringQuartetInDOp.645H363Lark-01-AllegroModerato.ogg