How to add someone to spotify duo

- How to add someone to spotify duo plan
- How to add someone to your spotify duo plan
- How to add person to spotify duo
- How to add people to spotify duo
- How to add member to spotify duo
- How to add partner to spotify duo
- How to add user to spotify duo
- How to add second account to spotify duo
- How to add another account to spotify duo
- How to add second person to spotify duo
- How to add someone onto spotify duo
- How to add accounts to spotify duo
- How to add friend to spotify duo