Harnessing Guerrilla Marketing for Your Music Career” is a comprehensive guide for musicians to grow their local fanbase through guerrilla marketing. It emphasizes the power of real-time audience engagement through social media and unique live performances at unconventional venues. Collaborations with local peers, the use of innovative tools like QR codes, and engagement with local media are all highlighted as effective strategies. This guide also underscores building a distinct brand and maintaining audience relationships via email marketing. In essence, it provides musicians with a practical roadmap to success, beginning in their local communities and potentially extending to larger stages.