Common pitfalls in vocabulary selection

From the TC 372 Workshop Compendium

The EN 15907 standard often refers to a controlled vocabulary from which values for certain elements should be taken. There are several approaches to selecting, defining, or using such vocabularies, some of which can cause problems.

From: http://www.loc.gov/standards/valuelist/marcmuscomp.html

Bibliographic standards such as MARC employ a multitude of code lists, some of which could be useful for filmographic metadata. Some scrutiny is recommended, however, before a code list is adopted from a community with a different focus. Using this example, how would we describe a flamenco theme that was composed for a film?