Skipping and Jumping. Impossible to listen to music.

[user-removed]

When ever I try and use Spotify and there is the slightest bit of movement the songs pause, skip and Siri opens. It also sometimes happens when the phone is on a flat surface completely still. I reduced the number of playlists and have tried reinstalling and it stopped for about 2 days then came back. I have the latest versions of both Spotify and IOS installed. As a paying customer I find it completely unacceptable that I’m unable to listen to anything through my phone.

Hopefully someone will be able to help. Thank you