Cursed Item: once the accordion is in your possession, you are attuned with it and are proficient with it.  If attuned character moves more than 90 feet away from it, enchanted polka music can be heard and the owner must make a DC 15 Wisdom saving throw. On a failed save, they are affected by the spell Otto's Irresistible Dance. When you have danced the length of a polka, the spell ends, and you find the Accordion within 10 feet of you.

The Accordion has 6 charges.

If you play the Accordion as an action, all creatures within earshot must make a DC 8 wisdom saving throw. on a failed save, they are enthralled by the music. You can use a bonus action to expend 1 to 3 charges, to cast Otto's Irresistible Dance targeting 1 creature per charge used. As long as you continue playing the accordion as an action, you maintain Concentration on these effects.

Notes: At the purchase of your 40th Polka Record, the Accordion appears in your home, will not leave, and automatically attunes to you., Cursed, Instrument, enchantment