Katie Rey Sutherland joined Rock the Flock this week. The Nashville-based independent Christian artist connected from her parents’ home in California and shared the story behind her new song, “Start Singing (Hallelujah).” She also reflected on the impact of her listener-favorite single, “Through the Dark.” Listeners can connect with Katie Rey on Instagram @katiereyofficial and online at www.katiereymusicofficial.com.