How To Loop Audio in Adobe After Effects

First right click the audio clip and enable time remapping.

Leave your keyframes where they are, and stretch the audio clip to the end of the timeline.

Alt+Click the clock icon beside Time Remap to open the Expression Input Box, then type: loopOut()

Credit goes to Juicedesigns on reddit: https://www.reddit.com/r/AfterEffects/comments/47254c/how_to_loop_audio_in_after_effects_to_the_end_of/

I’m making this blog post, because I always forget and have a hard time finding the specific reddit post I need. Hope others find it useful and upvote the original please!