This is just a standard post type with all the standard elements (commonly used for blog post, article) are listed. And even the “more” feature is tested for excerpt functioning test.
This is a quote post type. If you wish to have image of the quoted source - use "Featured image" , Quote author and Quote author URL meta fields to enter full information about the quote. We are the Borg, prepare to be assimilated.Resistance is futile.
Audio post format is the best way to present your audio file. You can upload audio to your server or stream media from audio hosting and streaming service. Use the custom meta box “Audio post format settings” (if not visible, enable it in “Screen options”, on the top of the edit page) for featured audio file. You can add as many audio files to same post using “Add media” button