 Complete the following phrase:  During the second concert of the tour in Rosemont, Illinois on September 5, 2014, Kelly Clarkson made a surprise appearance to perform the duet PrizeFighter, alongside Yearwood Brooks normally sings Clarksons verses. Clarkson also made an appearance and sang the duet once again at the concert in Atlanta on September 19, 2014. Brooks made national headlines in November 2014 after noting a fans sign at a concert in Minneapolis. The sign, reading Chemo this morning. Garth tonight. Enjoying the dance., caught Brooks attention during his performance of The Dance. After getting emotional, Brooks expressed his support. Later that same month, Brooks performed People Loving People on the 