plainchant or Gregorian chant:
an unaccompanied monophonic melodic line for voices. Named after Pope Gregory who supported music in the church.
court, or troubadour or trouvere songs
came about because of political influence instead of church. Sang of chivalry and love.
earliest type of polyphony where the composer adds another melody to go with the first.
The Arse Nova. a detailed and intricate polyphonic piece.
: a medieval dance in which the same or similar musical phrases are repeated many times.