Question: What musical style is performed by the professional group 'Straight No Chaser' who gained recognition when a video of theirs, 'The 12 days of Christmas' went viral and who subsequently landed a five-album deal before changing their name to Another Round?

<P0-S0> The Rohtak sisters viral video controversy involves a video that went viral on the social media in India in late November 2014 and the events that followed. <P0-S1>  The first video showed two sisters (referred to as the "Rohtak sisters" or the "Sonepat sisters") beating three young men with a belt alleging that the men had harassed them. <P0-S2>  Soon, the video was being broadcast by television channels. <P0-S3>  The girls were praised by the media and given the nickname "bravehearts". <P0-S4>  After a second video emerged within a few days, which showed them kicking another boy, the opinions began to shift towards negative. <P0-S5>  Six women claiming to be passengers on the bus had testified in front of the police. <P0-S6>  They said it was not an issue of harassment, but a dispute over seats as the girls had been occupying a seat allotted to a sick woman. <P0-S7>  A longer unedited video had been found on the internet, in which the girls asked a third girl, who had filmed the incident on their phone, to return it. <P0-S8>  Later another man came forward and claimed that he had been similarly accused of molestation by the girls and he had to pay to have the charges dropped. <SEP> <P1-S0> Another Round, formerly Straight No Chaser, is an award winning collegiate a cappella group which originated in 1996 at Indiana University. <P1-S1>  The group changed its name several years after the original members reformed as a professional group with the same name. <P1-S2>  <SEP> <P2-S0> Straight No Chaser (SNC) is a professional a cappella group which originated in 1996 at Indiana University. <P2-S1>  In 2007, a 1998 video of "The 12 Days of Christmas", went viral with over 8 million views and subsequently led to a five-album record deal with Atlantic Records in 2008. <P2-S2>  The YouTube video has been viewed over 20 million times. <SEP> <P3-S0> Justin Farell Alamar (born April 23, 1982), better known as J Farell, is an American music producer from Cherry Hill, NJ. <P3-S1>  He graduated from Rutgers University where he was first exposed to music production. <P3-S2>  J Farell broke into the recording industry in 2010 and is best known for producing remixes for artists such as Kreayshawn, J. Cole, Roscoe Dash, Gorilla Zoe, Hyper Crush, Gotye, Driicky Graham, Rita Ora, Wiz Khalifa, Eva Simons, Bruno Mars, Ed Sheeran, and more. <P3-S3>  He received his first official placement with Entertainment One for the remix of Gorilla Zoe's song "Twisted". <P3-S4>  In March 2011, it debuted on Philadelphia's radio station Wired 96.5. <P3-S5>  This remix was digitally released on iTunes by Atlantic Records on May 23, 2011. <P3-S6>  J Farell first received widespread recognition on August 29, 2011 when his remix of Kreayshawn's single "Gucci Gucci" went viral on YouTube and gained over 7 million views in under 12 hours. <P3-S7>  A week later, the video charted at #7 on YouTube's Top 100 Music Videos. <P3-S8>  In 2013, Ed Sheeran spoke about J Farell's remix of his song The A Team with Ralphie Aversa on WPLJ's The Ralphie Radio Show. <P3-S9>  J Farell began working on a collaboration project with Dj Beatstreet and Dj Suraci. <P3-S10>  In May 2015, the trio formed the group Money Drop and, two months later, released their first collaborative single entitled Everything on Fleek. <P3-S11>  With the help of Interscope Records in July 2015, J Farell landed the official remix of Good For You by Selena Gomez featuring A$AP Rocky. <P3-S12>  In November 2015, J Farell collaborated with singer/songwriter Todd Carey and created a refreshed, doo-wop style remix of Todd's single "OMG". <P3-S13>  On December 4, 2015, the official OMG Remix was released to a positive response on social media. <P3-S14>  His work is noted by an announcer or a giggling woman saying the "J Farell" tagline in most of his recent music.