Reason I want this is because I got to work on the same stage as they once did. Talk about an honor. I'm unsure of the date on this.
In 1984, PromoWest Productions purchased the old Agora Ballroom and turned it into one of the midwests' premier concert nightclubs, The Newport Music Hall. In 1996, PromoWest assumed booking and management responsibilities for the world famous Cleveland Agora and Ballroom. In 1998, PromoWest Productions built the Brewery District Pavilion, an outdoor venue with a capacity of 4000.
According to Queenconcerts.com concert list
1975 Feb 5 USA Columbus Agora
This the gig you mean? (don't have it though)
filthy cumguzzling ladyboy