You can turn that behavior off in the settings. On desktop, it's in Settings > Autoplay, on mobile (android, anyway), it's in Settings > Playback. You'll want t

You can turn that behavior off in the settings. On desktop, it's in Settings > Autoplay, on mobile (android, anyway), it's in Settings > Playback. You'll want to uncheck both "Autoplay on this device" and "Autoplay on other devices" in either case. Then once your album ends, playback stops.