local paused = false
local playbackRate = 1.0

function updateBox()
    local change, aChange = playdate.getCrankChange()

    if paused then
        if change<0 then change = 0 end
        song:setRate(change*0.03)
    else
        playbackRate += change*0.001
        if playbackRate < 0.2 then playbackRate = 0.2 end
        song:setRate(playbackRate)
    end
    if playdate.buttonJustPressed(playdate.kButtonA) then
        if paused == true then paused = false else paused = true end
        playbackRate = 1.0
    end

    if playdate.buttonJustPressed(playdate.kButtonB) or playdate.buttonJustPressed(playdate.kButtonLeft) then
        createMenu(songlist)
        song:stop()
    end
end