Staci Gruber, the Boston-based singer-songwriter whose work bridges the emotional nuances of personal experience and the stories of others, today unveils her new country-Americana single, “Be Kind With My Heart.” Recorded in Nashville and produced by Erik Halbig (Ty Herndon, Jamie O’Neal), the emotive ballad addresses the aftermath of betrayal or infidelity and the universal need for kindness in the wake of heartbreak.