Every political rally can be distilled to a few elements: the music, the stump, and the call to action. But each candidate's rallies look a bit different than those of their competitors.In this episode, NPR's Scott Detrow, Asma Khalid, and Don Gonyea talk through the rally styles of Joe Biden, Elizabeth Warren, Bernie Sanders, and Pete Buttigieg.(We'll talk about President Trump's rallies in a later episode.)Connect:Subscribe to the NPR Politics Podcast here.Email the show at nprpolitics@npr.org.Join the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station.