- Alive Again letra
- Bist Du Bei Mir? letra
- Bist Du Bereit? letra
- Bochumer Jungenlied letra
- Brazen letra
- Brothers (feat. Tobias Sammet & Sascha Paeth) letra
- Can You Tell Me Where The Love Has Gone letra
- Can't Stop This Train letra
- Don't Give Up Your Dream (live) letra
- Dreh Die Zeit Nochmal Zurück letra
- Dreh die Zeit nochmal zurück letra
- Fire And Water letra
- Glow (Remix 2020) letra
- Helding letra
- How Does It Feel letra
- How Long letra
- I Go To Extremes letra
- I Will Carry On letra
- In Deinem Schatten Gehn letra
- Into The Light letra
- Langer Harter Weg letra
- Listen To Your Heart letra
- Mein VfL letra
- Nicht Schon Wieder Mein Herz letra
- Out In the Cold letra
- Out In The Cold (live) letra
- Street Cafe letra
- The Journey letra
- The Same Again letra
- The Sun's Still Rising (live) letra
- Und Ich Tanze Meinen Weg letra
- Uninvited letra
- Walking On A Thin Line letra
- What If I letra
- What If I (live) letra
- When The Rain Begins To Fall letra
- Who Do You Think That You Are letra
- Wieder Vereint letra
- You Will Make It letra
Orden alfabético (Volver a las letras de Hartmann en orden de album)