2 adjectives to describe accordion

Mr. BUMSTEAD sat gynmastically crosswise in an easy-chair, over an arm of which his slender lower limbs limply dangled, and elaborately performed one of the grander works of BACH upon an irritable accordion.

Now she marched with the others, out of the garden and across the road, keeping time to the music of the wheezy old accordion that Gabriel played so proudly.

2 adjectives to describe  accordion