A libretto may be based on a writer.Logical formLearned from2 sentences. A libretto can be by a cousin.Logical formLearned from2 sentences. A libretto can be long-winded.Logical formLearned from2 sentences. Some waits can be between installments of a libretto.Logical formLearned from2 sentences. A libretto may undergo installments.Logical formLearned from2 sentences. A person may pen (opera librettos).Logical formLearned from2 sentences. References may pertain-to a libretto.Logical formLearned from2 sentences. A libretto can be overwrought.Logical formLearned from2 sentences. A libretto may contain some howlers.Logical formLearned from2 sentences. A libretto can be elegant.Logical formLearned from2 sentences. A libretto may be based on poetry.Logical formLearned from2 sentences. A (love story) can be with a libretto.Logical formLearned from2 sentences. A male may be composed without a libretto.Logical formLearned from2 sentences. A libretto can be custom-made.Logical formLearned from2 sentences. Writer may write a libretto.Logical formLearned from2 sentences.