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Blue Rock - album - was created in 1991-02.
Blue Moon - Steve Holy album - was created on 2000-10-10.
Once in a Blue Moon - Fool's Garden album - was created in 1993.
Once in a Blue Moon - Frankie Miller album - was created in 1973-01.
Yes, on their Golden Age of Rock 'N' Roll album (also included on their Grease For Peace Best Of album.