PianoVideoSortingMethod

local reversesort = false --this will just reverse the keys names
local location = game.Workspace.Piano.Keys.Keys --Change this to where your piano keys are located

local positions = {}
for i,v in pairs(location:GetChildren()) do
    if v then
        table.insert(positions,v.Position.x)
    end
end

if reversesort then
    table.sort(positions,function(a,b) return a>b end)
else
    table.sort(positions)
end

for a,b in pairs(positions) do
    for i,v in pairs(location:GetChildren()) do
        if v and v.Position.x == b then
            v.Name = a
            break
        end
    end
end