| Example 00 | Introductory example: ending of Richard Davy, O Domine caeli terraeque creator, The Sixteen directed by Harry Christophers, from The Pillars of Eternity, Music from the Eton Choirbook, 3 (Collins Classics, 13422; 1992). |
| Example 1a | “Pleni sunt celi,” from Mass De Angelis (Liber Usualis, 39). |
| Example 1b | “Pleni sunt celi,” three-part simple counterpoint in plainchant notation, arranged in score, from Scottish Anonymous (LonBL Add. 4911). |
| Example 1c | “Pleni sunt celi” with notes broken according to the rules of countering. |
| Example 1d | Top voice of Pleni, comparison between simple version (from Ex. 1b) and version “broken” according to the rules of countering (from Ex. 1c). |
| Example 2a | Deus creator omnium, four-part “contracenture” based on plainchant Kyrie trope in top voice (Scottish Anonymous). |
| Example 2b | Deus creator omnium, hypothetical original in note-against-note counterpoint. |
| Example 3 | Variant readings in fifteenth-century chansonniers, collected by Howard Mayer Brown. |
| Example 4a | John Dunstable or Leonel
Power, Salve regina, bars 1–24: comparison between versions in (a) the Ritson Manuscript LonBL Add. 5665, and |
| Example 4b | (b) Italian sources (ModB, AostaS D19, TrentC 90 and Trent 92). |
| Example 5a | Richard Davy, O Domine caeli terraeque creator, bars 1–9. |
| Example 5b | Richard Davy, O Domine caeli terraeque creator, bars 1–9 “unbroken.” |
| Example 5c | Further “unbreaking” of Ex. 5a. |
| Example 6a | Reginam salvet Deus, five-part florid counterpoint. |
| Example 6b | Reginam salvet Deus, simple counterpoint, broken. |
| Example 6c | Simple counterpoint on monophonic tune Reginam salvet Deus. |
| Example 7 | Anonymous, Adoretur beata trinitas, prima pars, bars 1–84 (TrentC 89, fols. 129v–131r, paper dated c.1460–62) written to commemorate the recapture of Bordeaux from English occupation (1451) |
| Example 8 | Deo gratias, five-part music example from Tinctoris, Liber de arte contrapuncti (1477), II.xx, illustrating counterpoint fashioned scripto (as opposed to mente) |