Banjo (Lute)

An uncommon musical instrument with a drumlike body, a fretted neck, and usually four or five strings which may be plucked or strummed.
This badass Banjo was handcrafted by __ and is quite unusual compared to typical Lutes of other bards.
It's enchanting sounds provide advantage on all Performance (CHA) checks made with this time. 

If you have proficiency with a given musical instrument, you can add your proficiency bonus to any ability checks you make to play music with the instrument. A bard can use a musical instrument as a spellcasting focus. If you have Proficiency with the Lute, you can add your proficiency bonus to ability checks made with this item.

Notes: Advantage: Performance, Instrument, Bard