Complex sentence: A one-off song was produced by a duo of French composers (one with Armenian ties) with the proceeds going to the rebuilding efforts and a studio album was also released by the British music industry that contained tracks donated by established rock bands.
Split into simpler sentences: A one-off song was produced by a duo of French composers (one with Armenian ties) with the proceeds going to the rebuilding efforts. A studio album was also released by the British music industry that contained tracks donated by established rock bands.