(Chord changes) can be simple.Logical formLearned from5 sentences. A person may listen to chords.Logical formLearned from5 sentences. Observations of an occultation may produce some chords.Logical formLearned from5 sentences. Chords can be in a song.Logical formLearned from5 sentences. Guajeos may use (block chords).Logical formLearned from5 sentences. Chords can be related.Logical formLearned from5 sentences. Chords may pertain-to a circle.Logical formLearned from5 sentences. A chord can be expressed.Logical formLearned from5 sentences. (Chord changes) can be interesting.Logical formLearned from5 sentences. A (root note) may pertain-to a chord.Logical formLearned from5 sentences. A (piano chord) can be simple.Logical formLearned from5 sentences. A range can be constituted-of-or-filled-with chords.Logical formLearned from5 sentences. A chord can be in some readers.Logical formLearned from5 sentences. A spinal chord can be severed.Logical formLearned from5 sentences. Ads may strike a chord.Logical formLearned from5 sentences.