Groove Music currently offers 7 months of Groove Music streaming service for $9.99. Here is a screenshot for reference. Basically, when you sign up for a 30-day Groove Music Pass at $9.99, Microsoft will send you two tokens within 30 days, each good for an additional 3 months of music at no charge for a total of 6 months. In other words, you get a total of 7 months of Groove Music for $9.99. Groove Music streaming has no ads and no interruptions, and can be listened to online or offline.