Question: This historical theatrical venue showed the first performance of what would eventually be the US national anthem
Sentence (from "National Anthem Project"): Sponsored by MENC with major support from the Jeep brand, and other sponsors such as NAMM, Bank of America, and the Gibson Foundation, this campaign, which later used the slogan "to restore America's voice through music education" was MENC's most ambitious project to date.
Relevant evidence: No