Hartmut Engler

- Freiheit (aus "Sing meinen Song, Vol. 2")
- Sing meinen Song - Das Tauschkonzert, Vol. 2 (Deluxe Edition) · 2015
- Millionen Lichter (aus "Sing meinen Song, Vol. 2")
- Sing meinen Song - Das Tauschkonzert, Vol. 2 (Deluxe Edition) · 2015
- Overkill (aus "Sing meinen Song, Vol. 2")
- Sing meinen Song - Das Tauschkonzert, Vol. 2 (Deluxe Edition) · 2015
- Eisberg (aus "Sing meinen Song, Vol. 2")
- Sing meinen Song - Das Tauschkonzert, Vol. 2 (Deluxe Edition) · 2015
- Some Kind of High
- Just a Singer · 2005
- Fortunate Guy
- Just a Singer · 2004
- Love Turns Water Into Wine
- Just a Singer · 2005
- For the Girl
- Just a Singer · 2005
- Long Time Comming
- Just a Singer · 2005
- Save
- Just a Singer · 2005
- We Can Make It Through This
- We Can Make It Through This - Single · 2005
- Overrated
- Just a Singer · 2005
- Love For Life
- Just a Singer · 2005