swing

jingle

bouncy

carefree

catchy

cheerful

comic

children

cinematic

nonchalant

comedy

commercial

corporate

cute

easy

easy going

advert

advertising

friends

good-time

casual

happy

happy go lucky

human whistling

inspiring

kids

motivational

optimistic

playful

positive

serene

soundtrack

startup

strolling

strumming

ukulele

upbeat

uplifting

whistle

whistling

worriless

affirmative

school

classes

cartoon

animation

seamless looping

child

easy go

friend

good time

human whistle

kid

stroll

strum

class