"Good counterpoint" refers to a musical technique where two or more melodies are played or sung together, creating a harmonious and complementary relationship. Full definition
Hugh Jackman as Valjean and Russell Crowe as Javert make good counterpoints to each other. (filmcrave.com)
I think that's why he mentioned hitler, was because he could be comparable to rand in amorality and as good a counterpoint to Mother Theresa and rand is to christ. (religion.blogs.cnn.com)
Thurston: There are many, but my favorite is a good counterpoint. (entrepreneur.com)