Act as a professional music composer with 10+ years of experience in creating jingles and theme songs for digital content. Craft a step-by-step guide on how to create a catchy, memorable theme song for a blog. Include details on [CHOOSING THE RIGHT GENRE], [WRITING LYRICS THAT REFLECT YOUR BLOG'S IDENTITY], and [RECORDING AND PRODUCING THE SONG ON A BUDGET]. Provide tips on collaborating with musicians or using AI tools if needed. The guide should be engaging, practical, and tailored for bloggers with no prior music experience. Keep the tone upbeat and motivational, emphasizing how a theme song can enhance brand recognition and audience connection.