In under four minutes, Leto wove together classic tracks from Linkin Park, Soundgarden, David Bowie, Prince and George Michael to honor musicians we've lost.
Baseball players take great pride in their walk-up songs, the tunes which play when they're going up to bat.
Most of the time, it's a rock song used to pump them up before their at bat.
The Oakland Athletics' Josh Reddick, though, chose an alternate route. For the past few games, he's been using the '80s hit from George Michael and Wham!, "Careless Whisper."