Answer:

ukes

Answer	Crossword Clue
UKES	Serling's was twilight
UKES	Guitars' baby brothers
UKES	Hawaiian instruments

UKES	They're picked in Hawaii
UKES	Instruments for strumming
UKES	Oahu instruments, for short
UKES	Certain twee stringed instruments, for short
UKES	Island strings
UKES	Luau instruments
UKES	Kanehoe strings
UKES	Strings for a luau

UKES	Guitar's kin
UKES	Strings plucked on beaches
UKES	Island instruments
UKES	Tahitian instruments
UKES	Koa-wood instruments
UKES	Guitarlike instruments
UKES	Instruments for Arthur Godfrey
UKES	Small strings

UKES	Strummed strings
UKES	Four-stringed instruments
UKES	Hawaiian music makers
UKES	Luau entertainment
UKES	Hawaiian strings
UKES	Strings at a luau
UKES	Luau music makers
UKES	Strings of islands?

UKES	They're strummed at luaus
UKES	Some are made from koa wood
UKES	Hula accompanists
UKES	Luau strings
UKES	Hawaiian strings, for short
UKES	Hilo harmonizers
UKES	Maui music-makers
UKES	Hawaiian instruments, briefly

UKES	Maui music makers
UKES	Stringed instruments popular in the 1920s
UKES	They may be played at luaus
UKES	"My Dog Has Fleas" instruments, often
UKES	Things with four strings