Forcing audio to follow secondary storyline FCP-X

As the title suggests, I'm looking for a way to force the audio in in my compound clip to replace the audio in the primary storyline. Like the video does. Now both (or all if using even more storylines) sound at the same time when stacked over each other. I'm very new to video editing but this doesn't make sense to me. Lets say I've recorded a video log and I merge the audio to the video to a compound clip, and then want to choose between a lot different parts of the clip with the convenience of multiple storylines. It's really efficient when doing this with video, the one on the top is always the one showing. Is there a way to force the audio to follow (muting everything below)?

Help appreciated ! /Rasmus