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?
Sentence (from "Rohtak sisters viral video controversy"): 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.
Relevant evidence: No