I always disable the visual editor in WP because it messes up my code, I only use the text editor for more pure code in the page.
Now I had to enable the visual editor to use the button of your plugin.
It worked (on WP 3.8.1) but WP also added unwanted span class crap in my page.
So.... Could you please provide the details of the shortcode? So I'll be able to manually adjust the short code afterwards? Suppose I want to change from Artist to Release (step 1) later, and I can look up here what part of the shortcode I need to change, or add, or delete, that would be great because I wouldn't be forced to use the visual editor! Just a list of attributes for the shortcode basically.