thoroughbass

/ˈθɜroʊbeɪs/
noun
  1. Alternative spelling of 'thorough bass'; a system of musical notation used in Baroque music where numbers indicate chords to be played above a bass line.
    • Students of early music must learn thoroughbass to play authentic performances.
    • The thoroughbass notation showed which notes to play in each chord.
    • The composer wrote a thoroughbass part for the organist.
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