Which songwriter is best known for using music to define America's patriotism in holiday traditions?

Irving Berlin is best known for using music to define America's patriotism in holiday traditions, particularly through his iconic songs that resonate deeply during national holidays. One of his most famous compositions, "God Bless America," has become an unofficial national anthem and is often performed at public events and gatherings, especially on patriotic holidays like the Fourth of July and Memorial Day. Berlin's ability to encapsulate the essence of American values and spirit through music has made his work integral to U.S. cultural traditions.

His contributions extend beyond just one song, as Berlin's music often reflects themes of hope, unity, and national pride. This has positioned him as a prominent figure in the history of American music, especially in the context of fostering a sense of patriotism during significant holidays and celebrations. Other songwriters like Duke Ellington, Burt Bacharach, and Cole Porter, while influential in their own rights, primarily focused on different genres or themes that do not center specifically on patriotism in the same manner as Berlin’s work.