Here is the page of Apple Music US retailer
Apple Music US
Apple Music US
540 Avios

Apple Music US

When will I get my Avios?

PurchaseToday
Tracked within information5 day(s)
Awarded within information105 day(s)
Stated reward is for the Family plan. Individual and Student plans will receive a lower reward. The offer is only for new users of Apple Music, limit one per customer and account. No rewards given if you cancel your free trial.

Your purchase will be shown in your account around 14 working days from the date of your purchase.

Apple Music will not investigate enquiries on untracked transactions.

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Rewards are not calculated on postage / handling / delivery costs or associated purchase taxes in your region (This may include but not be limited to VAT, GST etc).

About Apple Music US

Play anything in the vast 40-Million song catalog along with your entire iTunes library. Play every song. Even offline. If you don’t want to stream and use your cellular data, you can download anything from Apple Music and listen to it right from your phone. No signal required. No commitment — you can cancel at any time.