TY  - BOOK
T1  - An introduction to twentieth century music
DA  - [1971]
CY  - Boston,
AU  - Hansen, Peter S.
ET  - 3d ed.
CN  - ML197 .H25 1971
CN  - ML197
PB  - Allyn and Bacon
PP  - Boston,
PY  - [1971]
ID  - 93343
KW  - Music
KW  - Musical analysis.
KW  - Music appreciation.
TI  - An introduction to twentieth century music
ER  -