warm

good mood

feelgood

glad

fun

pleasant

agreeable

enjoyable

encouraging

musical instrument

vibes

operation complete

loaded

finished

success

accomplishment

achieved

interface

confirmed

positive confirm sound

correct

all right

good event

ok

confirmation

notifying

notifier

notified

notice

smartphone alert

mobile phone

optimistic

optimism

attainment

attaining

application

appsound

app sound

gamesound

video game sound

videogame

arpeggio

succession

chord

notes

arpeggiated

ascendingly

ascending

sequence

going up

finish

achieve

confirm

notify

attain

note

arpeggiate

ascend

go up