that's really a hard thing to determine so I'm going to split it into categories: Worship: "How Great Is Our God" Slow: "You Run" Submersed Slow, but hard: "Casting Such a Thin Shadow" UnderOath Just plain hard: "Memphis Will Be Laid to Rest" Norma Jean Others that dont completely fit into a specific category: "Undying" Demon Hunter "Not Ready to Die" Demon Hunter "Writing on the Walls" UnderOath "When Everything Falls" Haste the Day "The Worst is Yet to Come" UnderOath "Savior" Skillet "Hostages" Dead Poetic there are more..