Seeing as the season premiere for season 4 is rumored to start on March 21 (damn 3 more weeks ...if it's true). Season 4 has also been confirmed as the LAST SEASON OF INSTANT STAR. Meaning we won't get kick ass soundtracks anymore .
New Info 5/27 update:
I've been watching the marathons of Instant Star on The-N today and they've been giving promos on the new and final season of Instant Star. If all goes as said, it's premiering June 2 and supposedly giving new episodes all month long on weeknights. I'm still a little confused whether they'll be giving a new ep everyday or what not. When I get more details I'll be sure to post it