Apt B’s first resident, Sienna Spiro, has mail. Fresh off a breakout year that’s seen her top the UK charts with “Great Expectation” and win Best New Artist at the 2026 VMAs, the 21-year-old British singer-songwriter checks her APT B mail and answers questions about everything from her debut album, house parties, and the advice she’s glad she ignored before opening a special gift from Bose. Chapters 00:00 Intro 00:27 The song that’s more fun to perform than record 00:46 The first time Sienna heard fans sing her song back 01:21 The most underrated song on Visitor 01:42 What Sienna’s friends come to her for 01:52 Sienna’s best house party 02:24 The advice Sienna’s glad she ignored 03:11 Her favorite compliment about her music 03:39 The hardest song on Visitor to finish 04:31 What Sienna’s gotten better at with age 05:24 Sienna fills out her APT B resident questionnaire 06:52 Sienna unboxes a gift from Bose About Apt B APT B is an original live performance series from Bose Studios. Ea...