Albums can be unsung.Logical formLearned from5 sentences. Bands can be unsung.Logical formLearned from5 sentences. An unsung hero may pertain-to a fog.Logical formLearned from5 sentences. Someone may be identified as an unsung hero.Logical formLearned from5 sentences. An unsung hero may pertain-to a band.Logical formLearned from5 sentences. An unsung hero may pertain-to a season.Logical formLearned from5 sentences. Figures can be unsung.Logical formLearned from5 sentences. Performers can be unsung.Logical formLearned from5 sentences. A wonder can be unsung.Logical formLearned from5 sentences. A band can be unsung.Logical formLearned from5 sentences. Shows can be unsung.Logical formLearned from5 sentences. Comedians can be unsung.Logical formLearned from5 sentences. Schools can be unsung.Logical formLearned from5 sentences. Masterpieces can be unsung.Logical formLearned from5 sentences. Contributors can be unsung.Logical formLearned from5 sentences.