Xbox.com has 1-Month Xbox Game Pass Ultimate Subscription + 6-Months Spotify Premium Trial Code on sale for $1 (New Subscribers Only).
It may take up to 10-business days for new members to receive the 6-months Spotify Premium trial code via Xbox Message Center. Open only to users who haven't already tried Premium. Offer ends 4/1/2020, codes must be redeemed by 10/1/2020. Spotify Premium is $9.99/month after trial.
source: slick deals