Normally, when walking through the Ginza Station underground, you wouldn't expect to come across a corner that feels like you've just stepped into someone's cozy house.

And yet, that's the vibe of the B2 level of Ginza Sony Park, a brand-new five-story building operated by Japanese music giant Sony. Scattered throughout the space are numerous paraphernalia — CD cases, stacks of records, band merch such as T-shirts, baseball caps and assorted knick knacks — adding a personal touch and amplifying the homey feel.

On Monday afternoon, a day after the building’s grand opening to the public on Jan. 26, a few dozen people wander around this orange-hued space exploring an audiophilic exhibition curated by J-pop star Vaundy. He has selected 200 songs reflecting his own taste, organized by mood.