Hello,
These are programmes presented by Howard Goodall which will help you understand the structure of music. There are DVD and books of his available from Amazon and other retailers and they are really worth getting. He also composes music and has written some great stuff.
1) Melody
http://www.bbc.co.uk/programmes/b04097wg
2) Rhythm
3)Harmony
4) Musical Big Bang: Notation
http://www.youtube.com/watch?v=0u2T4boK2FE
5) Musical Big Bang: Equal temperament
http://www.youtube.com/watch?v=NkArVdlqqg0
6)Musical Big Bang: Opera
http://www.youtube.com/watch?v=htCixbDfgDU
7)Musical Big Bang:The Piano
http://www.youtube.com/watch?v=LBSwKLnG8VQ
8)Musical Big Bang Recorded music
http://www.youtube.com/watch?v=J3ZRhAqga_Q
9) Twentieth century greats: The Beatles
10)Twentieth Century Greats: Bernard Hermann
11)Twentieth Century Greats:Leonard Bernstein
12)Twentieth century classics: Cole Porter
13) History of music: The age of discovery
14)History of music: The age of invention
15)History of music:The age of elegance
16)History of music:The age of tragedy
17)History of music: The age of rebellion
Happy learning
Charlotte