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Staggering Note
Bard Attack 1

The sharp sound you create causes your opponent to recoil clumsily.

Ranged 10

Target: One creature

Attack: Charisma vs. Will

Hit: Charisma modifier thunder damage, and you push the target 2 squares. As a free action, an ally of your choice can make a melee basic attack against the target before, after, or during this forced movement.

Staggering note is an at-will power available to bards at 1st level[Dr383:54]

Staggering note was introduced in the "Class Acts: The Bard" article by Arthur Wright in Dragon issue 383.