In a day or so I'll try the download again, maybe their server's are feeling a little silly today. I'm creating this issue to keep track of this. Same thing happens if I try and use Firefox to download. Verbose curl-ling this file seems to indicate that the server closes the connection.

=> spotify-1.1.42_3: running do-fetch hook: 00-distfiles. => spotify-1.1.42_3: removing autodeps, please wait. => xbps-src: updating software in / masterdir. Like ‘Spot’, another GTK client for Spotify, it only works with premium accounts!! Though there’s a hack to make it work with free accounts.=> xbps-src: updating repositories for host (x86_64). It lacks features and defaults to GTK and pure X11, with Wayland backend in the works. The software is in very early development stage. Besides Linux, it also works on Windows and macOS.

And ‘Psst’ is a free open-source app written in Rust programming language with GTK framework for user interface. Since the official Spotify app for Linux is a web app running via Chromium engine, native Linux apps may be preferred. For those don’t like Electron apps, ‘Psst’ is a new GTK client for the Spotify music service.

Spotify deb package