Funguy161144,645 Locked 18 Aug 2022 18 Aug 2022
At some point during the conversation right before hitting social link rank 4 (after getting to optimism level 2), you've got the option of telling Kato to either watch a show, play a video game, or listen to music. Pick music to get the achievement.
Technically missable, but if you don't get it the first time around you'll be able to get it later via rewinding (see Going ULTRA)