A:AnswerUsually sends to email within a few hours, and just click the link to redeem and it will automatically redeem to your Apple Music and boom free music !
A:AnswerWhat I did was I clicked redeem on the Best Buy app and it took me to the Apple Music app and then I redeemed it.
If that doesn’t work then look at your email and wait for Best Buy to send you the receipt of your purchase and then click redeem there.
A:AnswerThere could be the possibility that you’ve done it too many times and that it simply just won’t work anymore. Or it could be that it really is only for new users only and that this reward is not available to you.