“Thirteen times and it’s been lucky for me,” Megadeth singer/guitarist Dave Mustaine growls on the closing track of “Th1rt3en,” the 13th song on the band’s 13th album. It might be a fitting statement.

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Fans of the metal band Megadeth are preparing themselves for both a ...