I was just finding more time to write music.

我刚好抽得出更多的时间来作曲。

I want to write music.

我想创作音乐。

I want to write music. What am I to do?

我想创作音乐。看看我在做什么？

With the help of a person, write music .

在一个人的帮助下，创作音乐。

I also like to write music which other people play.

我也喜欢写音乐给别人演奏。