Question: Southern Style Tour was headlined by which lead vocalist from Hootie and the Blowfish?

Context paragraphs:
Polish Boy: The Polish Boy is a sausage sandwich native to Cleveland, Ohio.  It consists of a link of kielbasa placed in a bun, and covered with a layer of french fries, a layer of barbecue sauce or hot sauce, and a layer of coleslaw.  While the sausage is typically grilled, some establishments will quickly deep fry the sausage after grilling and prior to assembling the sandwich.  While Polish Boys can be found at various establishments throughout Cleveland, a popular place is Freddie's Southern Style Rib House, known for their southern style barbecue sauce. " Esquire" named theirs as one of the best sandwiches in America, calling it "soul on white."

Alright (Darius Rucker song): "Alright" is a song co-written and recorded by American singer Darius Rucker, lead vocalist of the rock band Hootie & the Blowfish.  It was released in April 2009 as the third single from his first country music album "Learn to Live".  Rucker co-wrote the song with producer Frank Rogers.

Darius Rucker: Darius Carlos Rucker (born May 13, 1966) is an American singer and songwriter.  He first gained fame as the lead vocalist and rhythm guitarist of the Grammy Award-winning American rock band Hootie & the Blowfish, which he founded in 1986 at the University of South Carolina along with Mark Bryan, Jim "Soni" Sonefeld and Dean Felber.  The band has released five studio albums with him as a member, and charted six top 40 hits on the "Billboard" Hot 100.  Rucker co-wrote the majority of the band's songs with the other three members.

It Won't Be Like This for Long: "It Won't Be Like This for Long" is a song co-written and recorded by American country music artist Darius Rucker, lead vocalist of the rock band Hootie & the Blowfish.  It was released in November 2008 as the second from his first country music album "Learn to Live".  Rucker co-wrote the song with Chris DuBois and Ashley Gorley.

Back to Then: Back to Then is the debut studio album by American singer Darius Rucker, lead singer of Hootie & The Blowfish.  The album was a departure for him as this project was a R&B album, as compared to his group's pop rock efforts and his later country solo albums.

Mark Bryan: Mark William Bryan (born May 6, 1967) is a founding member, songwriter, and the lead guitarist for the multi-platinum, Grammy Award-winning band Hootie & the Blowfish.  In 1986, Mark and his friend Darius Rucker formed a duo called The Wolf Brothers while attending the University of South Carolina.  Eventually, friends Dean Felber and Jim Sonefeld joined the band, which led to the founding of Hootie & the Blowfish in 1989.  Mark has spent the last 25 years recording and touring and also has two solo albums to his credit, “30 on the Rail”and “End of the Front.”  His third solo album, “Songs of the Fortnight,” is set to release on August 11th, 2017.  Bryan has produced 5 full- length albums, co-writes, and produces countless songs for various regional artists.

Southern Style Tour: The Southern Style Tour was a headlining concert tour by American singer Darius Rucker, it supported his fifth studio album "Southern Style" (2015).  It began on May 14, 2015, in Holmdel, New Jersey and finished on November 20, 2015, in Toledo, Ohio.  The tour placed eighty-second on Pollstar's Year End Top 200 North American Tours of 2015, and grossed $14 million.

30 on the Rail: 30 on the Rail is the debut solo studio album by Hootie & the Blowfish lead guitarist Mark Bryan.  Released in March 2000, every song on the album was written exclusively by Bryan, with the exception of "City by a River", which is credited to Hootie & the Blowfish.

Old Man &amp; Me (When I Get to Heaven): "Old Man & Me (When I Get To Heaven)" is a song by American rock group Hootie & the Blowfish.  It was released in April 1996 as the lead single from their second album, "Fairweather Johnson".  In the United States, it peaked at number 13 on the "Billboard" Hot 100, number 18 on the Adult Contemporary chart, and number 6 on the Mainstream Rock chart.

Scattered, Smothered and Covered: Scattered, Smothered and Covered is the name of a 2000 album by Hootie and the Blowfish, featuring all covers.  The album was named in honor of Waffle House, a southern restaurant chain.  One of Waffle House's advertising campaigns used the phrase "scattered, smothered and covered," a reference to hash browns ordered prepared with onions and cheese.

Supporting paragraphs: Southern Style Tour Darius Rucker
Answer: Darius Carlos Rucker