Metallica, meanwhile, has just launched another world tour, which kicked off April 19 in New York with "Enter Sandman" closing out the show. The band is set to play in Nashville on Derby Day.

Fans can catch Metallica performing “Enter Sandman” and other classics on the current North American leg of their “M72 World Tour” (pick up tickets here).

Metallica just rocked Enter Sandman so hard for its most enthusiastic fans that their gig was seismically registered over one mile away. It's the culmination of years of longing and – perhaps ...

Enter Sandman!” Metallica also sent shirts to outfit the entire Casse Racing operation. Casse sent a hat signed by Hetfield to a friend and received in return a pair of Metallica-logoed underwear.

It was an nod to 'Sandman.'" Celebrating Metallica's Load Album It should be noted that the Loudwire Nights radio show will be celebrating Metallica's Load tonight (June 13).

He hoped that Sandman, the horse, could "close races like Rivera closed games," The Sporting News reported. "Enter Sandman" is also the name of the famous Metallica song.

Enter Sandman!” Metallica also sent shirts to outfit the entire Casse Racing operation. Casse sent a hat signed by Hetfield to a friend and received in return a pair of Metallica-logoed underwear.

By STEPHEN WHYNO BALTIMORE (AP) — Mark Casse was not a Metallica guy until he began training Sandman. Now he is a big fan. The band has returned the favor. Front man James Hetfield met the ho… ...