When submitting a bug report, please use the below template and thoroughly fill out the necessary information.

Date & Time: Post-4.3 release, up to and including post-hotfix 5/28/2018
Frequency: Persistent
World name: Gilgamesh
Character name: Alopex Lagopus
Retainer name:
NPC name:
Monster name:
Class/Level: Bard
Party or solo: Solo
In-game time:
Area and coordinates: Lower Limsa Lominsa, but all areas affected
Housing:
Steps:
1. Play bard performance notes at or faster than 200 millisecond intervals

See: https://www.youtube.com/watch?v=MXEY0QfGDFM for reference