A (tribute concert) may be scheduled.Logical formLearned from9 sentences. (Millennium organizers) may tout a concert.Logical formLearned from9 sentences. A theme may pertain-to concerts.Logical formLearned from9 sentences. A concert may star a female.Logical formLearned from9 sentences. An academy may celebrate an anniversary with a concert.Logical formLearned from9 sentences. Concerts may include shows.Logical formLearned from9 sentences. A concert can be a celebration.Logical formLearned from9 sentences. Countries may work in concert.Logical formLearned from9 sentences. Performers can be at a concert.Logical formLearned from9 sentences. A (concert tour) can be extended.Logical formLearned from9 sentences. A ceremony can be at a (concert hall).Logical formLearned from9 sentences. A concert can be with a friend.Logical formLearned from9 sentences. A tour may include a concert.Logical formLearned from9 sentences. Violence may erupt at a (neo-nazi concert).Logical formLearned from9 sentences. An (upcoming concert) may pertain-to a (rock band).Logical formLearned from9 sentences.