Edit categories view (link based)

Hi there!

I would like to create a “links based” website for songs lyric.
I used categories to build this hierarchy: Alphabet letter>Artist>Album>Songs lyric (i.e. M>Michael Jackson>Thriller>Beat It)

To obtain a category navigation based only on links (no excerpt) I tried editing the category views (in twentytwelve theme) in this way:
In content.php file I changed <?php the_content(); ?> with <?php // the_content(); ?>
But in this way I only remove the excerpt..
I also tried a lot of plugins that creates custom category list, the function wp list categories etc….but nothing really helps, because I want to avoid creating custom page with shortcodes.

My goal is to create a navigation like this site: https://www.songs-lyrics.net ..or something similar.

Are there any fuction, theme, plugin that I can use?

( Sorry for my english :p )