March of Spiraling Winds (Percussion, Sing, Wind)
Your song recounts the scattering of halfling Ithreians before harpy betrayers like snow before a harsh wind. It confounds listeners as to where the sound comes from while alerting you of them.
Prerequisite: Perform (sing, string, wind) 11 ranks.
Cost: Feat or 4th-level bard spell known.
Effect: You gain blindsense with a range of 60 feet. Any creature that can hear your performance within range cannot use sound to pinpoint your location, only to know that there is a creature somewhere within range.
Use: 1 round of bardic performance per hour.
Action: 1 standard action.