The two pianists had a good marriage. They always were in a chord.

In one to two sentences, interpret the figure of speech in the statement. Make sure to include the word or language being used in the figure of speech and explain the deeper meaning.

The figure of speech used in the statement is a pun, specifically a musical pun, because the term "chord" has a double meaning. The deeper meaning suggests that the two pianists were not only musically harmonious, but also had a successful and harmonious relationship.