jingle

carefree

catchy

cheerful

cinematic

nonchalant

commercial

corporate

easy

easy going

advert

advertising

friends

good-time

casual

happy

happy go lucky

human whistling

inspiring

kids

motivational

joyful

lively

relaxed

strolling

strumming

ukulele

upbeat

uplifting

whistle

whistling

worriless

affirmative

cartoon

animation

optimistic

playful

positive

serene

soundtrack

startup

start up

bright

confident

cool

bouncy

funny

medium tempo

easy go

friend

good time

human whistle

kid

stroll

strum