Beef, also let me know if the artist page is accurate or if you've been working with anyone else.
Only the first address is valid. The second address is invalid and the third and fourth addresses are the same - and it's also invalid. The first address has a balance of 0.1XBC. That's currently worth about 3 cents. LONG LIVE PROJECT PARTHENON. XBC has truly revolutionized the music industry!
JJMV, surely you realise that you are flogging a dead horse here? Hang about on Poloniex and you'll see that Grounbeef is on there every day talking about other coins. In the meantime, you've been building this site whilst he's done the grand total of fuck all in the five months since he took over.
You ought to approach some other coin developers and offer your skills where they will be appreciated.