ossia

/ˈɔsiə/
conjunction
  1. A musical term meaning 'or' or 'alternatively,' used to indicate an alternative passage that may be played instead of the original.
    • The sheet music includes an ossia passage for less experienced pianists.
    • The composer wrote an ossia version to give performers a choice.
    • In the score, the ossia part simplifies the difficult arpeggios.
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