happy

bright

sunny

breezy

lighthearted

light hearted

happy go lucky

untroubled

optimistic

positive

spring

unworried

content

pleasant

easy go

easygoing

contented

free

easy

friendly

hopeful

warm hearted

warmhearted

reflective

reflection

reminisce

welcome

mellow

contemplate

contemplation

laidback

lay back

relax

instrumental

acoustic piano