Hard as a Rock mdmehh Length 3 playlists Updated March 03, 2015 playlists featuring workout, exercise, and gym music. Play all Share Edit Save Cancel Delete gold Work out by marthaah7 Work out by marthaah7 7138 161 14 tracks workout lifting running exercise motivation gold work out by kylies jenner work out by kylies jenner 8009 256 31 tracks workout pop dance energy gym platinum No Excuses by arijuanna NSFW No Excuses by arijuanna 62698 4115 45 tracks workout fitness motivation gym exercise