With only six days to go before the release of fourth album "Red," Taylor Swift has offered fans a fifth and final preview of the highly anticipated full-length. The massive, reverb-heavy rock track "State of Grace" was unveiled on Tuesday (Oct. 16), following the release of "We Are Never Ever Getting Back Together," "Begin Again," "Red" and "I Knew You Were Trouble."

Pounding drums, throbbing guitar lines and elongated syllables mark the country star's boldest foray into the all-encompassing arena rock of Muse, The Temper Trap and even U2. "Love is a ruthless game, unless you're playing good and right," Swift concludes midway through a song that has sweeping emotion squarely in its crosshairs.

"I wrote this song about when you first fall in love with someone, the possibilities," Swift revealed when she stopped by "Good Morning America" on Monday to preview the song. "And, you know, kind of thinking about the different ways it could go. It's a really big sound -- to me, it sounds like the feeling of falling in love in an epic way."

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Since "We Are Never Ever Getting Back Together" was released in August and gave Swift her first No. 1 on the Hot 100 chart, the singer-songwriter has released four songs over the four weeks leading up to "Red's" Oct. 22 release. "Begin Again" and "Red" have both crashed the Top 10 of the Hot 100, while "We Are Never" and "Red" are placed at Nos. 1 and 2 on Billboard's recently revised Hot Country Songs chart.

To celebrate the release of "Red," Swift will return to "Good Morning America" next Monday and Tuesday, and will perform at the MTV European Music Awards on Nov. 11.