Complex sentence: In fall 2007, Rowland appeared as a choirmaster on the NBC reality show "Clash of the Choirs" among other musicians such as Michael Bolton, Patti LaBelle, Nick Lachey, and Blake Shelton.
Split into simpler sentences: In fall 2007, Rowland appeared as a choirmaster on the NBC reality show "Clash of the Choirs". Rowland was among superstars like Michael Bolton, Patti LaBelle, Nick Lachey, and Blake Shelton.