TY  - SER
AU  -  Chopin, Frédéric, 
TI  -  Prelude in E Minor, Op. 28, No. 4 
AV  - M 
PY  - 2005///
PB  -  Project Gutenberg, 
KW  -  Piano music
N1  -  Musical score;  Public domain in the USA;  Image
UR  -  http://www.gutenberg.org/ebooks/9392
ER  -