Ariadne musica is a collection of organ music by Johann Caspar Ferdinand Fischer, first published in 1702. The main part of the collection is a cycle of 20 preludes and fugues in different keys, so Ariadne musica is considered an important precursor to Johann Sebastian Bach's The Well-Tempered Clavier, which has a similar structure. The first edition of Ariadne musica was made in 1702 in Schlackenwerth. The work was reprinted several times during Fischer's life. The original print mentioned by Johann Gottfried Walther in Musicalisches Lexicon is now lost, but a manuscript copy survives.