They may be primarily considered hard rock, but as it turns out fans seemed to like these bands the best when they served up a ballad.

In this list, we take a look at the bands who are primarily known for delivering upbeat, hard rocking songs but found their biggest commercial heights by delivering something considerably more tender-hearted.

That's not to say these bands haven't had their fair share of hard rocking hits. For instance, Aerosmith have classic rock staples in "Walk This Way," "Sweet Emotion" and "Dream On," but none of those are their biggest hit. In fact, most of the groups on this list have enjoyed incredible staying power at rock radio, with only a few having limited runs.

READ MORE: 10 Times a Thrash Band Released a Ballad

So break out those lighters (or cell phone lighters), get ready for the encore and try to hold back the tears, would ya? This is rock after all. Here are 10 Hard Rock Bands Whose Biggest Hit Is a Ballad.

10 HARD Rock Bands Whose Biggest Hit Is a Ballad

While they're known for making heavier music, these hard rockers had their biggest success with something slower and softer.

Gallery Credit: Chad Childers, Loudwire

10 Huge Rock + Metal Bands Whose Singer Isn't the Main Lyricist

The lyrics to these bands' songs were mostly written by other members.

Gallery Credit: Lauryn Schaffner

More From I-Rock 93.5