<?php while (have_posts()) : the_post(); ?>
<li style="background-image: url(<?php if( has_post_thumbnail() ) the_post_thumbnail_url( 'full' ); ?>)">
<a href="<?php the_permalink(); ?>">
<div class="latestSongMask"></div>
<div class="songData">
<span class="songAuthor">
<?php
$categories = get_the_category();
foreach( $categories as $category ) {
echo $category->name . ' ';
} ?>
</span>
<span class="songName"><?php the_title();?></span>
</div>
</a>
</li>
<?php endwhile; ?>