Sonos is extending into the world of music curation, offering a new ‘Pro’ subscription service that gives public-facing businesses a stream of royalty-free music, and the ability to remotely manage groups of smart speakers. Sonos Pro rolled out in the US overnight, and will launch in global markets soon. For US$35 a month, per location, users will have a web-based dashboard that can separate various speakers into groups, and pipe royalty-free music in whatever ‘mood’ the business is seeking. Gyms can blast upbeat dance music without paying performance royalties, while cafes can control the vibe with a more measured selection. Businesses can control which employees can access the controls, while chain stores can even control the music between different venues [...]