Cannot verify this performer. I lack web search capabilities and do not have reliable information in my training data (current date 2026-04-21 is beyond my knowledge cutoff). The name structure suggests either 'Cody Knapp' as the performer with 'Acoustic Sunday' as an event series, or a combined stage name. Cannot extract URLs from search results without search access. A restaurant booking context (Princeton Station, North Chelmsford MA) suggests a real local performer, but cannot confirm identity or locate verifiable links.