A source revealed that the newly formed group has already finished their record and shot for their first video, reports nypost.com.
"They just finished a record and their first video and are talking to major labels about a deal. The name for the band at the moment is Super Heavy, " the source told the website.
Rahman wrote about collaborating with Jagger on his Facebook and titled his post "and Super Heavy is born."
"18 months ago Dave Stewart, Mick Jagger, Damien Marley, Joss Stone and me experimented at a studio in Los Angeles, trying to write songs which had meaning...We had a couple of more sessions after that trying to perfect every song that was written and presently we have around 16 to 18 songs and all the songs have a world sound by contributions from all of us, " Rahman said in a post Sunday on his Facebook page.
"Dave's and Mick's incredible musicality and Joss' soul singing, Damien Marley's Jamaican influence and philosophies and me bringing musicality from my world. It's all too early to talk about this but I guess you guys should know something atleast...., " he further added in his post.