Complex sentence: A live album documenting the tour was released at the end of that year, entitled "En Concert", also featuring a new song, "A quoi je sers", in which she questions the future of her career.
Split into simpler sentences: A live album documenting the tour was released at the end of that year, entitled "En Concert". It featured a new song, "A quoi je sers", in which she questioned the future of her career.