Passages may pertain-to a libretto.Logical formLearned from2 sentences. A libretto can be by butis.Logical formLearned from2 sentences. A libretto may be based on poems of a male.Logical formLearned from2 sentences. Librettos can be for a male.Logical formLearned from2 sentences. A libretto can be after a male.Logical formLearned from2 sentences. A libretto may be adapted by a composer.Logical formLearned from2 sentences. A libretto may be based on a short story of a name.Logical formLearned from2 sentences. A (performance version) may be based on a libretto.Logical formLearned from2 sentences. Errors may be noted in a libretto.Logical formLearned from2 sentences. A libretto can be for a cantata.Logical formLearned from2 sentences. A composition may pertain-to a libretto.Logical formLearned from2 sentences. A libretto may be adapted by a male.Logical formLearned from2 sentences. An opera can be with a libretto.Logical formLearned from2 sentences. A libretto may be written/wrote in a language by a male.Logical formLearned from2 sentences. A libretto may be based on a novella of a name.Logical formLearned from2 sentences.