(Rock chords) can be basic.Logical formLearned from4 sentences. Chords may be strummed.Logical formLearned from4 sentences. A man may strike a chord.Logical formLearned from4 sentences. Chords can be for a song.Logical formLearned from4 sentences. Sequences can be constituted-of-or-filled-with chords.Logical formLearned from4 sentences. Some notes may make a chord.Logical formLearned from4 sentences. Chords can be stacked.Logical formLearned from4 sentences. Waves can be constituted-of-or-filled-with chords.Logical formLearned from4 sentences. A male may know chords.Logical formLearned from4 sentences. Chords can be chunky.Logical formLearned from4 sentences. Vocal chords may snap.Logical formLearned from4 sentences. Legends may propagate by striking a chord.Logical formLearned from4 sentences. A (chord progression) may make a comeback.Logical formLearned from4 sentences. (Chord changes) can be beautiful.Logical formLearned from4 sentences. A person may have a chord.Logical formLearned from4 sentences.