Answer: abcd

AnswerCrossword Clue
ABCD

Opening lyrics of a children's tune

ABCD

Children's tune starter

ABCD

Alphabet start

ABCD
Opening run
ABCD
Well-known beginning
ABCD"Fastest Finger" answer, maybe
ABCDThe front four
ABCD"Who Wants to Be a Millionaire" options
ABCDLetter openers?
ABCDStarting quartet
ABCD"The Alphabet Song" start
ABCDStart of a tots' song
ABCDStart of a preschool song
ABCDNursery school song opener
ABCDStart of a childhood learning song
ABCDFree verse rhyme scheme
ABCD"The Alphabet Song" beginning
ABCDFree verse rhyme scheme?
ABCDIntroductory letters?
ABCDOpening letters
ABCDStart of a tot's song
ABCDLetters of introduction?
ABCDStart of a song that ends "Won't you come and sing with me"
ABCDStart of an alphabet song
ABCDStart of "The Alphabet Song"
ABCDChildren's song start
ABCDStart of a learning song
ABCDInitial sequence
ABCDKiddie song start
ABCDKiddies' song starter
ABCDPreschool song opener
ABCD"The Alphabet Song" opening
ABCDKid's song start
ABCDStart of a nursery-school song
ABCDStart of a toddler's song
ABCD"Alphabet Song" start
ABCDAlphabetical quartet
ABCDTot's song start
ABCDAlphabet intro
ABCDOpening foursome