The latest Bob Dylan album is ‘Another Self Portrait’, a compilation of bootlegs recorded between 1969 and 1971 that were never released. And there’s an app for that from Sony Music Entertainment called Bob Dylan Bootlegs, which went live on the App Store this weekend. It’s a free download for iPhone and iPad promising “breathtaking visual mosaics and detailed summaries, connecting each song to its place in Dylan’s personal timeline”, with video interviews, interactive lyrics and photo galleries also included. This isn’t an album-app though: it’s being described as a “digital companion piece” to the album. Sony worked with agency RelentlessGenerator on the app: a relationship that’s previously spawned digital activity around acts including Daft Punk, AC/DC and Michael Jackson, among others.