Billboard reveals that Michael Keaton’ son, Sean Douglas , worked on “ Ghosttown ,” one of the songs featured on Madonna ‘s upcoming Rebel Heart studio album. The songwriter says that the song, which was released along with five other Madonna tracks following a demo leak last month, was written in three days after Madonna personally requested some studio time. He adds: Madonna liked ‘Talk Dirty,’ actually, and so they put me and [co-writers] Jason Evigan and Evan Bogart in with her and we had this great session. I was incredibly nervous for obvious reasons, but she showed up, was super personable and was ready to work. I basically checked it off my life bucket list. Douglas is actually a successful pop songwriter, with credits on Top 40 hits like Jason Derulo’s “Talk Dirty,” Demi Lovato’s “Heart Attack” and Fifth Harmony’s “Sledgehammer,” among many others. And he spent part of last summer in Ibiza with David Guetta, living in the producer’s house and wor...