OptionalalbumThe album from which the audio asset originated.
OptionalartistThe artist of the audio asset.
OptionalattributionOptional attribution information about where the audio track came from.
Optionalembed_HTML code that could be used to embed this audio track into a webpage.
Optionalembed_A URL to the embeddable content to use as an iframe.
OptionalmediaOptionalmetadataOptional provider-specific metadata about the audio track.
OptionalposterAn image media object to use as a "poster" for the audio track, usually album art.
OptionalproviderThe provider of the audio source, whether it's tumblr for native audio or
a trusted third party.
OptionaltitleThe title of the audio asset.
OptionalurlThe URL to use for the audio block. Either this, media, or both will always be set.
An NPF audio type content block.
See
https://www.tumblr.com/docs/npf#content-block-type-audio