Kain-So Sincere (Prod. by Bravestarr) January 10, 2013 / By Alberto / Music Kain has released his new track “So Sincere” off of his forthcoming project, Sincerely Kain. Listen to the Bravestarr-produced track after the jump. [soundcloud url=”http://api.soundcloud.com/tracks/74411114″ iframe=”true” /]