Atonality in its broadest sense is music that lacks a tonal center, or key. Atonality, in this sense, usually describes compositions written from about the early 20th century to the present day, where a hierarchy of harmonies focusing on a single, central triad is not used, and the notes of the chromatic scale function independently of one another. More narrowly, the term atonality describes music that does not conform to the system of tonal hierarchies that characterized European classical music between the seventeenth and nineteenth centuries. "The repertory of atonal music is characterized
{{Image frame|content= \layout { \context { \PianoStaff \accidentalStyle dodecaphonic } } \new PianoStaff 2~ | 4 2. | \bar "|." } \new Staff { \clef bass gis,4 eis,2.~ | 1 } >> |align=right|width=300|caption=Ending of Schoenberg's "George Lieder" Op. 15/1 presents what would be an "extraordinary" chord in tonal music, without the harmonic-contrapuntal constraints of tonal music.}}
Atonality in its broadest sense is music that lacks a tonal center, or key. Atonality, in this sense, usually describes compositions written from about the early 20th century to the present day, where a hierarchy of harmonies focusing on a single, central triad is not used, and the notes of the chromatic scale function independently of one another. More narrowly, the term atonality describes music that does not conform to the system of tonal hierarchies that characterized European classical music between the seventeenth and nineteenth centuries. "The repertory of atonal music is characterized by the occurrence of pitches in novel combinations, as well as by the occurrence of familiar pitch combinations in unfamiliar environments".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).