Francois Couperin: "L'Art de toucher le Clavecin" (complete) performed by David Joseph Stith on a harpsichord built by Gerald Self in 2020. No equalization performed here on the recording produced from a TASCAM DR-100MKIII using its internal electret condensor microphones.
Synthesized MIDI rendering of Guillaume Dufay's "Ave Regina", c.1450, Ox. Bod. Can. misc. 213 f.62, after facsimile in W. Apel, The Notation of Polyphonic Music (1960), facs. 26. Created with Lilypond.
Example of atonal music which avoids octaves, avoids major and minor triads, avoids more than three notes from the same diatonic scale, and avoids conjunct melodies/uses disjunct melodies. From Schoenberg's Klavierstucke, Op. 11, No. 1.