In what year was the album “La La 世界” released by Boy'Z?

In what year was the album “La La 世界” released by Boy'Z?: The album “La La 世界” was released in 2003 by Boy'Z, featuring 5 tracks.
What is the most successful song from the album “La La 世界” by Boy'Z?: “LALA世界” is the biggest hit from the album “La La 世界” by Boy'Z.

Other artists of Cantopop