The year 1698 in music involved some significant events.

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• Henry Purcell's widow publishes the first volume of Orpheus Britannicus.
• Antonio Stradivari makes the "Cabriac" violin.

• Johann Sebastian Bach – Ach, was soll ich Sünder machen, BWV 770
• Sébastien de Brossard – Retribue servo tuo, SdB.004
• Antonio Caldara – Maddalena ai piedi di Cristo
• Marc-Antoine Charpentier
  • Missa Assumpta est Maria, H.11
  • In nativitatem Domini canticum, H.421
• Daniel Danielis – Cœleste Convivium del Signor (Coll. Brossard)
• Michel Richard Delalande – Regina Coeli, S.53
• Sebastian Knüpfer – Ecce quam bonum et quam iucundum (Psalm 133), for 5 solo voices, 5-part choir, 2 violins, 3 violas, bassoon, and basso continuo^{[citation needed]}
• Johann Krieger – Anmuthige Clavier-Übung (Nuremberg), a collection of 25 pieces for organ, including ricercars, fugues, preludes, etc.
• August Kühnel – 14 Sonate ò Partite ad una o due viole da gamba, con il basso continuo (Kassel)
• Isabella Leonarda – Salmi concertati a 4 voci con strumenti, Op. 19 (Bologna)
• Christian Liebe – O Heiland aller Welt ich muß dir sehnlich klagen
• Georg Muffat – Florilegium Secundum (Passau)^[1]
• Daniel Purcell – 6 Sonatas or Solos
• Johann Abraham Schmierer – Zodiaci musici
• Giuseppe Torelli – Concerti musicali a quattro op.6

• Richard Leveridge – The Island Princess
• Luigi Manza – Tito Manlio; Partenope
• Alessandro Scarlatti
  • La donna ancora è fedele
  • Il prigioniero fortunato, R.346.36

• January 3 – Metastasio, born Pietro Antonio Domenico Trapassi, poet and opera librettist (died 1782)
• July 24 – František Jiránek, composer (died 1778)
• September 8 – François Francoeur, violinist and composer (died 1787)
• date unknown
  • Pietro Auletta, composer (died 1771)
  • Antonio Bioni, composer (died 1739)
  • Riccardo Broschi, composer (died 1756)
  • Célestin Harst, priest, organist and composer (died 1778)
• probable – Giovanni Battista Sammartini, composer (died 1775)

• date unknown – Thomas Connellan, composer and harpist (born c.1640)
• probable – Nicola Matteis, violinist and composer (born c.1670)