I started learning korean by lyrics, and I can't understand this part.

It's a part of a  music from G-Dragon called Who you?(니가 뭔데).

잘됐음 해 아직 좀 이르다만

I'm a little confuse about how to use -음 해 and it's translation, and about the meaning of 만. Would it be the same as -지만?

Thanks in advance. ^-^