(Chord changes) may pertain-to a song.Logical formLearned from2 sentences. Utilities may include a (chord calculator).Logical formLearned from2 sentences. A chord can be among peers.Logical formLearned from2 sentences. Artists may strike a chord.Logical formLearned from2 sentences. Remarks may touch a chord.Logical formLearned from2 sentences. A chord can be in hearts of persons.Logical formLearned from2 sentences. Vocal chords may undergo a vibration.Logical formLearned from2 sentences. Chords may undergo a development.Logical formLearned from2 sentences. A chord can be continuous.Logical formLearned from2 sentences. A person may strike some kind of chord.Logical formLearned from2 sentences. A demand may strike a chord.Logical formLearned from2 sentences. A chord can be momentous.Logical formLearned from2 sentences. A (chord dysfunction) can be vocal.Logical formLearned from2 sentences. Stories may touch chords of empathy.Logical formLearned from2 sentences. A (jazz style) may improvise around chords.Logical formLearned from2 sentences.