This document provides an overview of the Special Subject Investigation unit for BTEC Level 3 Performing Arts. It outlines that students will research an area of the performing arts industry and present their findings. They will independently research their topic and produce a proposal justifying their subject choice and research plan with timelines. The proposal will be presented to peers for feedback. The document discusses the stages of selecting a topic, developing a proposal with methodology, and creating a timeline to complete the assignment by the deadline.