Apple Music’s upcoming Carpool Karaoke standalone series will consist of 16 half-hour episodes, Variety reports. The show, a spinoff of the popular segment on The Late Late Show with James Corden, will feature different hosts for each episode. Carpool Karaoke will also be “more of an interview series” — it’s unclear how much time will be spent talking, and how much time will be spent singing. A few of the host/guest combos…