Letras de Martin Smith
- Iron Lung letra
- Great & Glorious letra
- Everybody Is Broken letra
- Exalt letra
- Rise Up letra
- Runaway letra
- Fire's Gonna Fall letra
- Wonder Hearts letra
- Always Be My Love letra
- Give Thanks For A Broken Heart letra
Iron Lung (2019)
- Love Song For A City letra
- Come Holy Spirit letra
- Leap Of Faith letra
- God's Great Dance Floor letra
- Waiting Here For You / Majesty letra
- The Chains Falling letra
- Song Of Solomon letra
- Emmanuel / Behold letra
- Forever Yours letra
- I Will Sing letra
- Jesus Only You letra
- Veni, Sancte Spiritus letra
- Ecclesiastes letra
Love Song For A City (2018)
- Awake My Soul letra
- Fire Never Sleeps letra
- Back To The Start letra
- Waiting Here For You letra
- You Carry Me letra
- Safe In Your Arms letra
- Soldiers letra
- Jesus Of Nazareth letra
- Catch Every Teardrop letra
- Shepherd Boy letra