Choose NBA Rock, R&B or Hip-Hop. It feels like your right there.
Once you've enabled the skill, say "Alexa, open “NBA MUSIC” then follow the prompts from there.
While listening to the live stream, you can hear the current song details by saying "Alexa, ask NBA MUSIC..." "...what's playing?" "...what song is this?" "...who is the artist?"
For instructions on interacting with this skill, say "help."