Recent TikTok and social media trends highlight "Undressed Rehearsals" or live rehearsal performances by sombr , which fans use to showcase his creative process and live vocal talent. Undress rehearsal - NYPL Digital Collections
The term has a long history in the performing arts as a play on "dress rehearsal," often used to describe behind-the-scenes glimpses or provocative performances. Undress Rehearsal
The most modern and widely recognized reference is the 2015 song by the American duo (comprising producer Rob Resnick and vocalist Cal Shapiro). Context: The song was featured on their album Just for Fun . Recent TikTok and social media trends highlight "Undressed