Context: The calabash is the primary musical instrument of Guinea-Bissau, and is used in extremely swift and rhythmically complex dance music. Lyrics are almost always in Guinea-Bissau Creole, a Portuguese-based creole language, and are often humorous and topical, revolving around current events and controversies, especially AIDS.

Question: What is the primary instrument of Guinea-Bissau?
Answer: The calabash

Question: What type of music is the calabash used in?
Answer: extremely swift and rhythmically complex dance music

Question: What language are lyrics typically sung in?
Answer: Guinea-Bissau Creole

Question: What do typical song lyrics revolve around?
Answer: current events and controversies

Question: What is the main controversy found in song lyrics?
Answer: AIDS