Many camera apps stop your music when recording starts; Music Wide Selfie keeps it playing.
Music Wide Selfie is coming soon to the App Store. Features vary by iPhone model and iOS version.
Fits / Filming a fit-check video
Guide
Filming a fit-check video
Short answerPhone on a stand, start recording, walk in from the side, turn once, show details close to the lens, and walk out. Music on.
About Music Wide Selfie
An iPhone camera app for people who film themselves, coming soon to the App Store. One email when it launches.
One email when the app is ready. Nothing else.