Ignore unrecognised fields in Songs rather than throw an exception.
Ignore unrecognised fields in Songs rather than throw an exception.

Ignore-this: 89f4fbcd9988f6a91769ed6900502d9e

darcs-hash:20090618000049-b41c9-97d66b47449f96b52ddf8e62c3a5014bbd16d7a1.gz

sol/libmpd-haskell,beni55/libmpd-haskell