[diversecity section="sounds-flavors" ids=""]

$qs = new WP_Query(
    array(
        'posts_per_page' => 3,
        'category_name' => 'sounds-flavors'
    )
);

[diversecity section="sounds-flavors" ids="12345,12678"]

$qs = new WP_Query(
    array(
        'posts_per_page' => 3,
        'category_name' => 'sounds-flavors',
        'post__in' => array(12345,12678)
    )
);

<article id="12345">{First ID Specified}</article>
<article id="12678">{Second ID Specified}</article>
<article id="12980">{Most Recent Post from the Sounds & Flavors category}</article>