Which answer matches this clue: the April event on Grenada's sister island celebrating ancestral drumming and folk music?

• A Carriacou Maroon and String Band Music Festival ✓
• B Grenada Chocolate Fest
• C Carriacou Regatta
• D Petite Martinique Whitsuntide Regatta

Carriacou Maroon and String Band Music Festival is the match: the April event celebrating ancestral drumming and string-band traditions.