This audio post is displays without a sidebar and has the iframe set for the index pages, instead of a featured image.
For the audio post to work, type must be set to audio and the audio-embed filled with an iframe.
---
type: audio
audio-embed: <iframe width="100%" height="450" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/188464611&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&visual=true"></iframe>
---