Here is the official video for Usher's single "Hush."

From the press release:

Usher debuts the "Hush" single as part of his continued national call-to-service for young people and marking the first time Usher will communicate his passion for service and action through his music. Usher has arguably been one of the most active celebrities in the 2008 Presidential elections – he has led youth rallies, organized voter registration drives and stepped forward to participate in voter registration PSA's for Leonardo DiCaprio, DoSomething.org, CNN's League of First Time Voters, The Barack Obama Campaign and through Usher's New Look Foundation.