"Gonna Know We Were Here" released to country radio on August 17, 2015. It reached No. 2 on the Country Airplay chart in January 2016. Jason Aldean is one of only three artists to achieve RIAA platinum sales certification on an album released this year. His Old Boots, New Dirt album, which debuted at the top of Billboard's all-genre Top 200 chart in October, has now shipped more than one million units. This means that he is the only country star to release a platinum-seller in 2014, and joins only Taylor Swift and Ariana Grande in platinum album certifications for collections released this year. At the conclusion of Aldean's Burn it Down Tour, he donated over $600,000 to Susan G. Komen for the Cure of South Florida. 2016–2018: They Don't Know and Rearview Town In July 2016 it was announced that the seventh regular studio album, They Don't Know, was set for release on September 9 of that year. Again produced by Michael Knox, the album was preceded by the single "Lights Come On", released to country radio on April 1, 2016. The album's second single, "A Little More Summertime", released to country radio on July 15, 2016. The album's third single, "Any Ol' Barstool", was released to country radio on December 5, 2016. The album's fourth and final single, the title track of the album, was released to country radio on May 8, 2017. At the 2016 ACM Awards, Aldean was awarded Entertainer of the Year for the first time in his career. He would go on to win that award in 2017 and also 2018. In March 2017, Aldean announced that he is working on his eighth album, titled Rearview Town, which was released on April 13, 2018. The lead single, "You Make It Easy", was released on January 26, 2018. Aldean also confirmed two other songs would appear on the album: "Gettin' Warmed Up" and "Set It Off". On October 1, 2017, Aldean had just begun performing "When She Says Baby" at the Route 91 Harvest music festival on the Las Vegas Strip in Paradise, Nevada when Stephen Paddock began firing into the crowd from the 32nd floor of the Mandalay Bay Resort. Aldean and his band managed to exit the stage unharmed, but 60 concertgoers died and 867 others were injured during the incident. On October 7, Aldean opened Saturday Night Live with words of support