local bar = owner.Character.Head
local sound = Instance.new("Sound", owner.Character.Head)
sound.SoundId = "rbxassetid://301964312"
sound.Looped = true
sound:Play()

-- define a max loudness
local maxLoudness = 30

-- animate the amplitude bar
while true do
	local amplitude = math.clamp(sound.PlaybackLoudness / maxLoudness, 0, 1)
	bar.Size = Vector3.new(0, 1, 0)
	wait(0.05)
end