You can inspire your allies with bardic music more quickly than normal.
Prerequisite: Perform 25 ranks, bardic music class feature.
Benefit: The character can use any of his or her bardic music inspiration abilities as a standard action. The inspiration takes effect immediately after the character concludes the action.
Source: Standard Reference Document under Open Game License v1.0a, which updated this feat originally published in the Epic Level Handbook, page 66.