TY  - SER
AU  -  Beethoven, Ludwig van, 
TI  -  Große Fuge in B flat major Opus 133 
AV  - M 
PY  - 2004///
PB  -  Project Gutenberg, 
KW  -  Canons, fugues, etc
KW  -  String quartets -- Scores
N1  -  Musical score;  Public domain in the USA;  Image
UR  -  http://www.gutenberg.org/ebooks/5634
ER  -