Warring Lanner plays "Battle to the Death" Instead of "Fiend"

Description: Warring Lanner plays "Battle to the Death" Instead of "Fiend", which is inconsistent with the other two Warring Triad mounts, which both use the Phase 2 music of their respective fights.
Frequency: 100%
Mount Name: Warring Lanner

Steps:
1. Obtain the Warring Lanner.
2. Mount the Warring Lanner.
3. Notice that the music that plays is not the Phase 2 music of the fight, but the phase 1 music shared by all Warring Triad boss fights.