electronic

electro

fun

joyful

joyous

jolly

calm

sedate

buoyant

cheerful

cheery

casual

violin

bright

light

positive

breezy

salubrious

salutary

tranquil

easy

motivated

motivational

hopeful

confident

bounce

bouncy

mellow

soft

stable

balmy

placid

restful

gentle

friendly

fit

serene

wholesome

temperate

moderate

peaceful

soothing

neutral

quiet

smooth

sunny

upbeat

optimistic

sanguine

pleasant