They’re on good terms lately, proven by the fact they’ve shared the same concert stage this year in California and New York, collectively billed as the Big 4. And while the metal bands are still competitive, it’s more self-contained now that they’re “out of the sandbox” and all grown up, according to Metallica drummer Lars Ulrich.

Roadrunner Records

In 1984′s ‘This Is Spinal Tap,’ fictional guitarist Nigel Tufnel coined a lasting rock ‘n’ roll phrase when he revealed a special amplifier with volume dials that, in his words, “go to eleven.”

Well, in November, Megadeth is going all the way to ‘TH1RT3EN.’ And although you’ll still have to wait until then to hear it, you can have a look at the album cover now.

On Sept. 12, a second ‘Metal Masters Clinic’ is set to commence, this time at the Best Buy Theater in Manhattan’s Times Square. Members from Anthrax, Megadeth and Slayer — three of the legendary “Big 4″ thrash-metal bands that will rock Yankee Stadium two days after the clinic — will be on hand to share anecdotes and rattle the rafters.

During a recent interview with Rolling Stone, band founder Dave Mustaine discussed the new record, titled 'Th1rt3en.' It's the band's 13th studio album, but the name means more than that, according to Mustaine. He said, "I was born on September 13th; this is my 13th record. It just seemed like it was the right thing to do."