Olivia Rodrigo has announced the details of a prom-themed concert film in support of her debut album, ‘Sour’.Appropriately titled Sour Prom, the film will stream on Rodrigo’s YouTube channel next Tuesday (June 29) at 11:30pm US eastern time (4:30am June 30 BST).Described in a press release as “the ultimate alternative prom experience”, it will feature a full live set by Rodrigo performing select cuts from ‘Sour’.Rodrigo will also host a pre-premiere party 30 minutes prior to the film’s stream,