Finally a ghost type!

Extra info: Orginally I was going to make this Pokémon a Ghost/Fairy with a two stage evo but nah.

Melony mellow + harmony):

The melancholy Pokémon

Type: Ghost

Ability: Harmonize             Hidden: Serene Grace

Info: Boosts the power of sound based moves

Secondary effect outside of battle: If this Pokémon is first in the party any wild encounter is guaranteed to have the same nature as the Pokémon  

Dex entry 1: Often found in graveyards. These Pokémon sing a haunting tune that's said to bring back memories of unpleasant experiences to those who listen to it

Dex entry 2: Believed to be the lost souls of those who died tragically. This Pokémon sings an eery tune to morn the deceased.

Dex entry 3: Melony gather where tragic accidents occurred. A chorus of these Pokémon singing is said to drive those who listen insane.

Dex entry 4: Choruses of Melony have been known to attract other Ghost Type pokemon. When this happens, all Melony in the vicinity go silent until the danger passes.

- - -
Lyreharp

Evolves from Melony by an undetermined method

The Harp Pokémon

Type: Ghost/Steel

Ability: Harmonize Hidden: Serene Grace

Dex entry 1: It plays a soothing melody from the harp it carries. These Pokémon help guide lost souls to the afterlife.

Dex entry 2: Often viewed as a symbol of love. Lyreharps are popular Pokémon to have at weddings.

Dex entry 3: Stories tell of a trainer who with the aid of a Lyreharp, traveled to the afterlife to bring back his beloved

Dex entry 4: It manipulates sounds produced from it's harp to battle. A loud enough chord can leave opponents dazed.