The American Country Rock and Southern Rock group - Cadillac Three, suddenly became The Cadillac Four (temporarily), when the legendary Steven Tyler surprisingly joined the Cadillac Three during a sold-out gig at Nashville's Cannery Ballroom on Saturday night.

The show was a homecoming for the Cadillac Three band, where the Nashville former residents haven't been headlined locally in more than two years.

The front man for the Nashville-based rock band - Jaren Johnston said that it's just neat to get to come home and see all of their family together, Johnson added that it was cool to have all the production and put it in the Cannery.

As the American singer-songwriter and the frontman of Aerosmith - Steven Tyler, took on the stage, he donned a special handmade T-shirt for the surprise performance - with the number four written on it.

After which the lead singer of the Boston-based rock band Tyler, tossed his shirt into the crowd. The iconic rocker led the Cadillac Three through a flaming version of Aerosmith's "Sweet Emotion."

Jaren Johnston, stated that, "We've written some tracks together over the last several months, and it's been really awesome getting to know the lead singer of the Aerosmith." Johnston also said, "Steven Tyler is one of our biggest influences, so having him agree to play with us in our hometown ... we definitely won't top that moment anytime soon. I think Kelby, Neil and I are still on that high."

Jaren Johnston as an in-demand songwriter, recently snatched another No. 1 song when the Australian country music singer and songwriter - Keith Urban's "Raise 'Em Up" went to the top of the charts. Also, Jaren Johnston is focused on writing new music for the Cadillac Three, where he spends most of his time in a studio on the back of their tour bus.

Jaren Johnston stated, "We sit back there and practice a musical instrument," "The previous record we put out was the three guys going into a garage and recording." For the new music, we have on board producer Dann Huff.