Insufficient reliable information in my training data to verify 'Luna Luna' as a specific live performer. My knowledge cutoff is April 2024, and the current date is 2026-04-22, which is beyond my training data. Additionally, 'Luna Luna' is a common name that could refer to multiple different performers, art experiences, or acts. Without current internet search capability, I cannot verify this performer's identity, confirm their appearance at The Rockwell, or locate their URLs and social media.