Crew members on space shuttle Discovery and the International Space Station will spend today preparing for a spacewalk designed to learn more about the joint that rotates the starboard side solar arrays.

The wakeup song, “Nel Blu Dipinto di Blu” by Domenico Modugno, was played at 11:38 p.m. CDT Tuesday for Mission Specialist Paolo Nespoli, who’s scheduled to receive a congratulatory phone call from the president of Italy at 3:13 a.m. today. The song’s title translates as “In the blue (sky), painted blue;” it is widely known as “Volare.”