Well the modus operandi is clearly described in the modus operandi selec list parameter option
Nothing more.
Make sure your editor doesn't add additional A tags (or others) like
Code:
{<a href="https://soundcloud.com/me/mysong">https://soundcloud.com/me/mysong</a>}
{
}
or the plugin won't recognize the modus operandi.
If you use the plugin outside Joomla articles,
- In module, make sure the Prepare content parameter in the module settings is enabled