Mack Brock's debut solo single, "Greater Things," shares a timeless message of God's faithfulness. Today, we are excited to share with you a special promotion in which you can get a FREE AppTrack and Chart for the song when you use the promo code MACKFREE at checkout.  We hope this will be a great resource for you and that you will share this new song with your congregations.  Promotion ends Friday, June 22 at 11:59 PM CT.