Grein, stage name of Gianluca Iannetti, is a Roman rapper who grew up in Appio-Latino, born in 1999.
He was the winner of the One Shot Game 2018 contest, organized by Honiro, which in 2016 saw Ultimo triumph. p>
In July 2018, he officially joins Honiro Rookies, a label for which he has already debuted with several singles. p>