Below you'll find some examples from the Custom Fields Spotify plugin.
This plugin lets you create new fields for 'Spotify musicplayers' in any extension where Joomla custom fields are supported.
Playbuttons:
Play Single Track (Compact)
Play Single Track (Large)
Playlist (compact)
Playlist (Large) list view
Album (compact)
Album (Large) list view
Follow buttons:
Artist Detailed view with followers
Artist Detailed view no followers
Artist Basic view with followers
Artist Basic view without followers