Vocals may be layered.Logical formLearned from7 sentences. Vocals can be insistent.Logical formLearned from7 sentences. Vocals can be for a duet.Logical formLearned from7 sentences. Vocals may pertain-to keys.Logical formLearned from7 sentences. An album may contain vocals.Logical formLearned from7 sentences. Vocals may pertain-to a track.Logical formLearned from7 sentences. A mixture can be constituted-of-or-filled-with vocals.Logical formLearned from7 sentences. A male can be on vocals.Logical formLearned from7 sentences. (Background vocals) can be on a song.Logical formLearned from7 sentences. An album may contribute vocals.Logical formLearned from7 sentences. Vocals can be incredible.Logical formLearned from7 sentences. A style may pertain-to vocals.Logical formLearned from7 sentences. A person may sing (background vocals).Logical formLearned from7 sentences. A (vocal competition) may pertain-to a male.Logical formLearned from7 sentences. A person may provide (lead vocals).Logical formLearned from7 sentences.