TASK DEFINITION: Rewrite each original sentence in order to make it easier to understand by non-native speakers of English. You can do so by replacing complex words with simpler synonyms (i.e. paraphrasing), deleting unimportant information (i.e. compression), and/or splitting a long complex sentence into several simpler ones. The final simplified sentences need to be grammatical, fluent, and retain the main ideas of their original counterparts without altering their meanings.
PROBLEM: As well, art rock is "not so much for dancing as for listening and it often tells a story or there is a philosophical theme to the lyrics.

SOLUTION: Art rock isn't for dancing as much as listening and often tells a story and has a philosophical theme.

PROBLEM: They claimed to be playing an April Fool's joke, but most people who saw the signs were unfamiliar with the phrase.

SOLUTION: They claimed to be playing an April Fool's joke. Most people who saw the signs were not familiar with the phrase.

PROBLEM: Six species live in the greater Caribbean region, including the Queen Conch, and the West Indian Fighting Conch, Strombus pugilis.

SOLUTION:
Six species live in the greater Caribbean region. This includes the Queen Conch and the West Indian Fighting Conch.