Since debuting in 2008, Titus Andronicus [hereafter +@] has been conditioning faithful listeners to always expect only the unexpected, consistently zigging where others would zag and maintaining a steadfast dedication to fearless ambition. With the March 2 release of the new studio album A Productive Cough on Merge Records, +@ has executed the most shocking departure yet—but only if, as ever mercurial singer-songwriter Patrick Stickles insists, “you haven’t been paying attention.”