Backbone is a new track by Harrdy Sandhu launched under the New hit songs category, Backbone mp3 download Harrdy Sandhu production released on 10/Feb/2018. Backbone Harrdy Sandhu Song available on Djpunjab. All over again. harrdy sandhu the heart throb of millions is back with yet another single backbone this romantic song has been penned down by jaani composed by. song.