The 21-year-old singer has branched off from brothers Nick and Kevin to collaborate with Justin Timberlake producer Rob Knox on his first solo album.
Talking to Details magazine, he said that the time had come for him to seek his own direction.
'I'm growing up, the fans are growing up,' he said.
'I've gone through a lot of stuff in my life so far. There are stories I haven't really been able to tell. When you're writing with three people, you wind up with a sound that might be - not average - but, you know, expected.'