McCartney and Timberlake play gigs in Hollywood

A stretch of Hollywood Boulevard is going to be shut down for the next couple of days to make way for a pair of concerts planned for “Jimmy Kimmel Live.” Today’s gig features a guy you may have heard of – one Sir Paul McCartney. He’s scheduled to perform this afternoon around 4:30. Tomorrow, it’s Justin Timberlake.

We asked Mikael Wood – who covers pop music for the L.A. Times – why two big superstars are doing gigs like this. He said for starters, they both have new albums out or about to come out. They may both be household names, but the work of staying relevant is never done…