Brainwave Lab is a GPT that is designed to provide audio guides with a calming and concise approach. The primary functionality of this ChatGPT-powered tool is to help users align their mental state with specific music or sounds. It aims to promote user relaxation, concentration, restful sleep, and meditation using carefully selected audio aids. Upon interacting with Brainwave Lab, the user is usually welcomed and asked their name. The tool then presents various prompt starters relating to relaxation, focus, sleep, and meditation. Prompt starters may include inquiries about the kind of music that helps the user relax, the need for a focus-enhancing playlist, seeking soothing sleep soundscapes, or meditating with calming music. It performs well in curating music or sounds that could potentially improve an individual's mental states aligning with the mentioned categories. It should be noted that this GPT requires a ChatGPT Plus subscription, indicating that it may be a premium tool offering enhanced functionalities or outputs. Although being developed as a GPT, the added value Brainwave Lab provides is rooted in the intersection of AI technology and mental well-being enhancement through audio stimuli.