The band's line-up was composed of vocalist Shawn Smith, guitarist Stone Gossard, bassist Jeremy Toback, and drummer Regan Hagar.

[1] Tom Moon of Rolling Stone said that "what's most notable about Interiors...is the pure pop focus of these nuanced compositions.

The recording of Welcome to Discovery Park saw contributions from Mike Berg, who had taken over as the touring bassist for Toback.

[3] The album mixes the rawness of Shame and the polished, produced sound of Interiors.

Bradley Torreano of AllMusic called it "another quality album that still leaves the listener hungry overall for some better songs.

Smith died at his home in Seattle on April 3, 2019, of a torn aorta and high blood pressure.

[7][8] On April 3, 2023, the fourth anniversary of Smith's passing, the Brad Facebook page announced their final album, featuring the songs they were working on with Smith in 2019 when he died, would be released in summer, titled In The Moment That You're Born.