Unit II - Classical World (500 BC - 500 AD)
Classical Greece:

   Satie, Erik (1866 - 1925) - Gymnopaedie #1 [3:37]
 

Hellenistic Greece:

   Hovannes, Alan - Mystic Flute [1:27]
 

Roman Repiblic:

   Respighi, Ottorino (1879 - 1936) - Via Appia from The Pines of Rome
   [4:20]  

Roman Empire:
   Respighi, Ottorino (1879 - 1936) - Circuses from Roman Festivals [4:34]
   Johnson, Scott - It Raged from How It Happens - The Voice of I.F.  
   Stone, performed by the Kronos Quartet, recorded 1995 [8:03]

Unit III - Asia to 1500 (476 AD - 1492 AD)
Ancient India (Early Hinduism)

   Holst, Gustav - Choral Hymns from the Rig Veda: Hymn to the Dawn and Hymn of the Traveller [X:XX] and [X:XX]

Rise of Islam:

   Fanshawe, David - Kyrie from African Sanctus [2:37]

Mongol (Yuan) Era:
   McKennit, Lorena (1953 - ) - Marco Polo [5:10]

Unit IVa - Medieval World (476 AD - 1492 AD)
Byzantine Empire:

   Kennedy & Simon - Istanbul, Not Constantinople, performed by They Might
   Be Giants [2:27]
   Johnson, Scott - It Raged from How It Happens - The Voice of I.F.  
   Stone, performed by the Kronos Quartet, recorded 1995 [8:03]

Early Medieval (Dark Ages):

   Anon. - Alleluia, beatus vir qui suffert, performed by the Monks of Santo
   Domingo de Silos, Spain [3:10]

High Medieval:

   Bingen, Hildegard of (1098 - 1179) - O Splendidissima Gemma [5:05]
   Anon. - Sumer is Icumen in [1:52]

Late Medieval/Early Renaissance:

Orff, Carl (1895 - 1982) - Carmina Burana (excerpts)
      Veni, Veni, Venias [0:53]
      In trutina [2:05]
      Tempus est Iocundum [2:23]
      Dulcissime [0:30]
      Blanziflor et Helena [1:41]
      O, Fortuna Imperatix Mundi [2:47]
 
   de Machaut, Guillaume - Je Vivroie Liement [2:23]
   de Machaut, Guillaume - Biauté Qui Toutes Autres Pčre [4:51]

Unit IVb - Renaissance, Reformation, and Age of Exploration     (1400 AD - 1600 AD)

Reformation:

   Luther, Martin (1483 - 1546) - Ein feste Burg ist unser Gott, arranged by  
   Johann Krüger [5:38]

Counter-Reformation:

   de Victoria, Luis (1548 - 1611) - O Magnum Mysterium [3:10]
 

Elizabethan Renaissance:

   Brade, William (1560 - 1630) - Paduana [2:40]

   Anon. - "Unto the Prophet Jonas I Read" and "Watkin's Ale", performed by the Baltimore Consort, recorded 1995 [8:03]

Unit Va - The Baroque (1600 AD - 1750 AD)

  Bach, Johann Sebastian (1685 - 1750) - Contrapunctus #1 and #9 from The Art of the Fugue BWV 1080-1/9 performed by Zoltan Kocsis [2:28/2:30]

    Handel, George Frederick (1685 - 1759) - "For Unto Us a Child is Born" and "There were Shepherds, Abiding in their Fields"  from The Messiah  performed by Georg Solti and the Chicago Symphony Orchestra [3:40]

    Pachelbel, Johann (1653 - 1706) - Canon in D performed by London Baroque [3:40]

Unit Vb - The Enlightenment/The Age of Reason (1750 AD - 1800 AD)
  

Unit VI - The 19th Century (1800 AD - 1914 AD)

Unit VII - The World At War (1914AD - 1945 AD)
  

Unit VII - In The Shadow of the Bomb (1945 AD - present)