Fairie Harp

The Fairie Harp is a recurring Instrument in the later installments of the Final Fantasy. It sometimes has the power to Charm opponents.

Final Fantasy IX
The Fairy Flute is one of Eiko's weapons and teaches her Esuna, Haste and Regen. It can be stolen by Hilgigars and later bought from Moogles in Oeilvert and Desert Palace.

Final Fantasy XI
The Fairy Piccollo is one of the wind instruments available to Bards in Final Fantasy XI.

Final Fantasy Tactics
The Fairie Harp is the strongest instrument in the game and may charm on hit. In order to be obtained it must be poached from Treants, although it has a smaller chance of appearing.

Final Fantasy Tactics Advance
The Fairy Harp is a low-rank instrument that teaches the ability to control Sprites, Titanias, Antlions and Jawbreakers to Beastmasters and the "Tail Wag" ability to Animists. It's noteworthy the fact that the latter can charm enemies.

Final Fantasy Tactics A2: Grimoire of the Rift
The Faerie Harp is now an high-rank instrument that teaches the ability to control Sprites, and Antlions to Beastmasters.