2014.  - martini monroe & steve moralezz - let the sunshine (basslove,scooter - army of hardcore (radio edit),boogie bros ft.  Big daddi - fight for your right ! (yelhigh!,nils van zandt & dj e-p..

2013.  Hartmann are : oliver hartmann – vocals, guitars mario reck – guitars armin donderer - bass dario ciccioni, markus kullmann - drums special guests : tobias sammet – lead vocals on 'brothers live..