Will Smith's real estate development company is named Treyball (after his son Trey) and it is run by his younger brother Harry. I worked a bit with them on this.

The soundstage/music studio story:
Originally planned a music studio at the New Market site along w/ W hotel and spa.
City was looking for a (film) soundstage in anticiaption of losing the old Convention Hall---City asked Smith is they'd be interested in looking down at Broad & Washington NW corner) to build both film soundstage and msuinc studio. This was all just before Wild Wild West.
They combined with the city on a feasibiltiy study,a nd then decided to expand the project to the NE corner too (Holt property owned---yes Cirque du Soliel spot) and cam eup with mage $275 million Silver City concept...film production and music production, digitial TV studios for Fox, movie theaters, offcie building and residnetial devleopment. Got city Tif lined up, but collapsed under its own weight...woudl have been pretty cool place, but wasn't going to happen.

Not sure about Lawsonia lofts on Spring Garden---wouldn't hold my breath

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SPM