Rob. A! (born Robert Lamont Allen) is an American singer-songwriter and producer. He is popular for layering soulful vocals on top of rhythmic pop tracks, a unique vocal background and arrangement comprised through his special engineering style. He is also popular for his freestyle songwriting approach that gave him the nickname "The Jay-Z of R&B".
He got his break as a songwriter in early 2008 when he collaborated with Andre Merritt, Chris Brown and Brian Kennedy. The collaboration climbed him to a multi-platinum songwriter status with two No. 1 records back to back in June 2009.
By the end of the summer of 2009, he was signed a co-publishing deal with Sony/ATV Music Publishing courtesy of the VP/Urban A&R Juan Madrid.
Rob Allen, who is also referred to by Twitter followers as King Rebel, has started the movement called the Robellion. He explains: "It is my effort to reset the tone of the music business. I want to pave a way for true talent and creativity to be noticed. Music has now become packaged and mechanical with the exception of the veterans who have total freedom in their art. The variety of unique voices and character is missing and I'm going to bring that back." Behind the Robellion is his own team, called Team Rebel. He is currently working with producer Donameche "Don-City" Jackson. Together they have made leaked songs "Pressin' Buttons," "Curves," "Wifey Material," "Beat It Up" and "Kill Cupid."