An inclusion may pertain-to chords.Logical formLearned from2 sentences. (Chord progressions) may pertain-to songs.Logical formLearned from2 sentences. Chords may pertain-to a prelude.Logical formLearned from2 sentences. Chords may run_out.Logical formLearned from2 sentences. Chords may pertain-to a circumcircle.Logical formLearned from2 sentences. Chords may be played by a guitar.Logical formLearned from2 sentences. Use can be on a chord.Logical formLearned from2 sentences. A context may pertain-to a (chord progression).Logical formLearned from2 sentences. A chord can be constituted-of-or-filled-with some type.Logical formLearned from2 sentences. Seventh chords may start on a (scale degree).Logical formLearned from2 sentences. (Chord progressions) can be simple.Logical formLearned from2 sentences. Some (chord progression) may be repeated throughout a song.Logical formLearned from2 sentences. A person may scrape a lining of vocal chords.Logical formLearned from2 sentences. A (power chord) can be a chord.Logical formLearned from2 sentences. Chords can be in a right hand.Logical formLearned from2 sentences.