Ockeghem - "Miserere pie Ihesu / Mort, tu as navré de ton dart"- Analysis

Musical Elements:
-Free Meter
-All Male voices
-Liturgical
-Entirely Homophonic
-Four Voices
-Mostly Syllabic and Nuematic (occasional melisma)
-Voices are constantly moving, but stay in unison (apart from chant)
-Voices are accompanied by what I believe is some kind of early harpsichord, an early cello, and some other kind of chordophone.
-No vibrato

Structure:
-Choir and solo parts, where high voice leads the solo
-also a chant part where all voices sing
-Responsorial, moves back and forth between high voice and rest of the choir
-Ordinary, not proper

Context
-Litrugical/Sacred
-Sung in the latin language
-Would have only been sung in church
-Probably composed between 1450s and 90s

Léonin - Messe du Jour de Noël Analysis

Musical Elements:
-Free Meter
-All Male Voices
-Liturgical
-Organum
-Molstly syllabic in monophonic part, melismatic in homophonic part
-Monophonic part is sometimes nuematic
-Seems like the forward voice in homophonic part changes.

Structure:
-Responsorial
-Changes between monophonic and homophonic in two parts
-Ordinary, not proper
-Simple binary form, chants can start with monophonc or homophonic parts

Context:
-Liturgical/sacred
-From France
-A Christmas mass, only to be sungat that time of the year
-Only would have been sung in a chruch