thumb|upright=1.4|The seven contiguous trichords in C major. See also: Cardinality equals variety.
thumb|upright=1.4|The seven contiguous trichords in C major. See also: Cardinality equals variety.
{{Image frame|content= { (set-global-staff-size 18) \override Score.TimeSignature 'stencil = ##f \override Score.SpacingSpanner.strict-note-spacing = ##t \set Score.proportionalNotationDuration = #(ly:make-moment 2/1) \relative c'' { \time 3/1 \set Score.tempoHideNote = ##t \tempo 1 = 60 b1 bes d es, g fis aes e f c' cis a } } |width=350|caption=Webern's Concerto, Op. 24, tone row, composed of four trichords: P RI R I.}}
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).