AT&T customers who agree to sign up for Beats Music using the family plan, will get the first 90 days free. Individual account holders can sign up for Beats Music Individual and receive 30 days for free before the $9.99 monthly rate kicks in. Each individual plan member can access the service over as many as three separate devices. Subscribers will have access to a 20 million + library of tunes.
Starting on January 24th, AT&T customers interested in the service can sign up at their local AT&T Store, or online at the sourcelink.
AT&T to offer Beats Music to its customers starting January 24th
source: AT&T, BeatsMusic via PhoneScoop