Greenwood, a frequent fixture at Trump's rallies, counts the businessman-turned-politician as one of his close friends.

Forty years ago, Lee Greenwood released “God Bless the ... including Ronald Reagan and George H. W. Bush. And over the years, he's formed a friendship with Donald Trump, becoming a fixture ...

Lee Greenwood told Newsweek the Inauguration ... at the 1988 Republican National Convention and at rallies for George H W Bush. It was re-popularized after the September 11 attacks.

(AP Photo/Evan Vucci, File) Forty years ago, Lee Greenwood released “God Bless ... including Ronald Reagan and George H. W. Bush. And over the years, he's formed a friendship with Donald Trump ...

Forty years ago, Lee Greenwood released “God Bless the ... including Ronald Reagan and George H. W. Bush. And over the years, he’s formed a friendship with Donald Trump, becoming a fixture ...