If you don't have a keyboard, you can try it out while BIAB (or your MIDI file) is playing but it's much harder.

如果你没有键盘，也可以在BIAB演奏时试一试，不过那难得多。

youdao

Notice that these two things aren't a crucial part of the songwriting process, which is why we're letting BIAB do them for us.

注意这两件事在写歌的过程中并非至关紧要，因此我们才让BIAB替我们做。

youdao