A group may hold a concert.Logical formLearned from6 sentences. Some concerts may be performed in a world-city.Logical formLearned from6 sentences. Concerts can be on a green.Logical formLearned from6 sentences. A concert may be recorded in a world-city.Logical formLearned from6 sentences. An attendance can be at a concert.Logical formLearned from6 sentences. (Concert works) may pertain-to a composer.Logical formLearned from6 sentences. A concert may feature performances.Logical formLearned from6 sentences. Concerts can be held.Logical formLearned from6 sentences. Some concerts may be filmed.Logical formLearned from6 sentences. A tour can be (concert tour).Logical formLearned from6 sentences. A concert can be unusual.Logical formLearned from6 sentences. Some concerts can be free of charge.Logical formLearned from6 sentences. A tour can be (world concert tour).Logical formLearned from6 sentences. A female may sing in a concert.Logical formLearned from6 sentences. Highlights may include concerts.Logical formLearned from6 sentences.