ByteDance is rushing to sell a 20% stake in TikTok Global to Oracle and Walmart at an enterprise value of $60 billion. TikTok otherwise faces a ban in the US on 12 November, subject to legal challenges.

The sale hinges on ByteDance obtaining approval from China to export TikTok’s core technologies. China updated its export control rules to include algorithms (and AI), entrenching a tech cold war with the West.

TikTok has confounded regulatory woes in India and the US, and renewed competition from US tech, to post dizzying user growth in every major internet region where it is available, casting off its image as a niche youth product and entering the mainstream.

Recorded music revenues in Japan are stuck in decline as physical sales sag, although 2017 marks the first year when streaming gained a foothold with 8 million subscribers. 

J-pop fans spend on 'experiences' with their idols including events, merchandise, CDs and DVDs, which streaming cannot replicate. Top native LINE MUSIC offers integration with a popular messaging app and bundling with mobile. 

Serving international repertoire, Apple Music claims more subscribers than Spotify in Japan, which is more localised, and has most users on the free tier. Amazon Prime Music is a looming constraint on the adoption of subscriptions.