Eh, lagu Worldwide-nya BTR asli enak banget! Favorit tuh!

Album pertama mereka judulnya B.T.R, isinya ada 11 lagu :

1. 'Til I Forget About You
2. Boyfriend
3. City Is Ours
4. Nothing Even Matters
5. Worldwide
6. Halfway There
7. Big Night
8. Oh Yeah
9. Count On You (feat. Jordin Sparks)
10. I Know You Know (feat. Cymphonique)
11. Big Time Rush (Theme)