yes you can stream you tube music in your game this is not illegal, because you are giving third party link into the game, If there is any legal activity happen against you then you are safe.
star trek is amazing series and i love to play it.
the same problem occurred with me,but i found that there is option of edit your profile.
Develop games in your browser. Powerful, performant & highly capable.
these tracks are looking good.
well this is good peoples are making their own games this is such a impressing thing.