j.org

This plugin adds a sidebar-widget to list an artists upcoming shows or top tracks from Last.FM (using the new 2.0 REST API).
This plugin requires PHP 5.
Current features:
<ul>
<li>event listing</li>
<li>top track listing</li>
<li>multi-widgets (add arbitrarily many widget instances to your sidebar)</li>
<li>comes with many pre-defined widget layouts</li>
<li>complete customization of widget layout possible via format strings and tags</li>
<li>I18n available: English, German, Russian. Add your own!</li>
</ul>
Please let me know about bugs and improper translations you may encounter.
<ul>
<li><a href="http://www.brain-jek.de/wordpress/lastfm-for-artists/" title="Plugin Website" rel="nofollow ugc">documentation</a> 
The format of dates and times are part of the translation files. Let me know if this should be another user-editable option.</li>
</ul>

Last.fm For Artists

This plugin adds a fully customizable sidebar-widget to list an artists upcoming shows or top tracks from Last.FM (using the new 2.0 REST API).

optune

This plugin automatically creates a post for every gig on your optune.me account. You can choose if the post is published 
imediately or if you want to publish it manually. Furthermore, you can display a list of all your upcoming gigs on a page 
or post with the shortcode <code>[optune-gig-calendar]</code>.
If you don’t want to have a new post for every gig you can change the post type to gig.

WordPress Gig Calendar

Automatically import your optune.me gigs to your Wordpress

Last.fm For Artists vs WordPress Gig Calendar