On January 22, 2013, "Downtown," the first single from a new album, was released to country radio. It was made available on iTunes starting February 5, 2013, and reached number one on the Country Airplay chart in April 2013. The new album, Golden, was released on May 7, 2013. The album's second single, "Goodbye Town", was released to country radio on May 13, 2013, and peaked at number 11 on the Country Airplay chart. The third single from the Golden era, "Compass", was released to the iTunes Store on October 1, 2013 and reached number one on the Country Airplay chart in March 2014. It is one of the new recordings featured on the deluxe edition re-issue of Golden, which was released on November 12, 2013. Unlike all of their previous releases, it was produced by Nathan Chapman. They also sang backing vocals on Darius Rucker's 2013 single "Wagon Wheel".  "Bartender" was released to country radio on May 12, 2014, as the lead single for the group's sixth studio album, and was made available to digital retailers on May 19. In July 2014, the album's title was confirmed as 747, and the track listing was confirmed. Chapman produced this album as well. "Bartender" became the group's ninth number 1 hit on the Country Airplay charts in 2014, with "Freestyle" as the second single. The third single "Long Stretch of Love was released on February 7, 2015, in the UK and on March 23, to country radio in the US.  They sang two songs, "I Did With You" and "Falling For You", for the 2014 film The Best of Me.  In October 2015, while appearing on Good Morning America, the group announced that they would be taking some down time once they finish with their Wheels Up Tour. During their break Kelley will be working on his solo career. Kelley stated that Lady Antebellum is his priority but wanted to try working alone out. On September 28, 2015, he released his debut solo single titled "The Driver" which features Dierks Bentley and Eric Paslay. On October 12, 2015, Charles Kelley announced his tour dates for his solo tour. He is excited to get out of his comfort zone and having fans not know every word to all of his songs. He will be playing some Lady A songs, but his tour will showcase only his soon-to-be-released solo material. Also during the break, Hillary Scott announced that she and her family (her mother, father and sister) would be working a gospel album titled Love Remains which was released on 29 July.  In 2016, Lady Antebellum were selected as one of 30 artists to perform on "Forever Country", a mash-up track of Take Me Home, Country Roads, On the Road Again and I Will Always Love You which celebrates 50 years of the CMA Awards.

Answer this question "What did they do on their down time?" by extracting the answer from the text above.
During their break Kelley will be working on his solo career.