Answer:

harp

Answer	Crossword Clue
HARP	Instrument for a Marx Brother
HARP	Symbol of Ireland
HARP	Angelic instrument

HARP	Stringed instrument
HARP	47-stringed instrument
HARP	Guinness logo
HARP	Cherub's instrument
HARP	Marx instrument
HARP	Lamp shade support
HARP	Irish symbol
HARP	Heavenly string

HARP	Dwell too long
HARP	Emblem of Ireland
HARP	Glissando instrument
HARP	Dream sequence signaler, maybe
HARP	Angel's instrument
HARP	Heavenly instrument
HARP	Lyre relative
HARP	It's plucked

HARP	Only nonvocal instrument in Britten's "Ceremony of Carols"
HARP	Stringed instrument with seven pedals
HARP	Dwell (on)
HARP	Magic instrument Jack stole on his third trip up the beanstalk
HARP	Plucked strings
HARP	Arthur Marx's instrument
HARP	Heavenly strings
HARP	Plucked instrument

HARP	Stress to a fault, with "on"
HARP	Heavenly music maker
HARP	Stringed instrument that may be taller than its player
HARP	The grand concert one has 47 strings
HARP	Image on Irish euro coins
HARP	Instrument that often sits on the floor while played
HARP	Instrument with a triangular frame
HARP	It has 47 strings

HARP	Tall string instrument
HARP	Instrument in Marx Brothers movies
HARP	Ireland's instrument
HARP	Kind of seal
HARP	Big fat lyre?