Bootlegs will continue to be manufactured.
The future of the bootleg might just reinvent the official release.
Vinyl is one thing but digital plug-ins which claim to emulate the analogue sound are a rose-tinted step too far.
We need to look beyond the music industry to understand the rise of the comeback.
High-quality climate records only go back to the start of the 20th century. But using handwritten letters, journals and tables, researchers have access to data going back to the 18th century.
Sometimes album sleeves reveal little about the music. Instead they illuminate the society it came from, exposing unexpected stories of people, art forms and struggles.