jfranzone

<a href="http://lyricwiki.org" title="Lyrics From LyricWiki" rel="nofollow ugc">LyricWiki</a> is a free site which is a source where 
anyone can go to get reliable lyrics for any song from any artist without being hammered by invasive ads.
This plugin provides a widget to place a search box right on the sidebar of your WordPress site so 
that your readers can utilize the LyricWiki site and find their favorite lyrics from your blog!
<h3>Configuration</h3>
<ol>
<li>
Title – As with most widgets you can provide a title to display above the LyricWiki Search
</li>
<li>
Button Text – You can configure the text of the search button if you like.
</li>
<li>
Hide Help – Check to hide the small link to help
</li>
</ol>

Lyric Wiki Search Widget

Adds a sidebar widget to search for song lyrics on the LyricWiki.org site.

intelligentDesign

Easily add chords and lyrics to any WordPress website using shortcodes! Users can print just the content you choose (the lyrics and chords) instead of a bunch of useless HTML. Admins can choose multiple layout options and the premium version has a ton more features like transposing to any key and unlimited colors.
This includes a widget for displaying the control buttons vertically or horizontally.

Keymaster Chord Notation Free

Easily add chords and lyrics to any WordPress website using shortcodes!  Users can print just the content you choose (the lyrics and chords).

Lyric Wiki Search Widget vs Keymaster Chord Notation Free