Why wont the current value change?

This has been really annoying for me. When I press E on an object that has an "Interact" value, a remote event fires, as seen on here.

Local Script:

InputService.InputBegan:Connect(function(input)
	if input.KeyCode == Enum.KeyCode.E then
		if not DragTarget and Mouse.Target ~= nil then
			local t = Mouse.Target
			if t.Parent and t:FindFirstChild("Interact") then
				if t:FindFirstChild("Interact").Value == true then
					local interact = t:FindFirstChild("Interact").Parent
					game.ReplicatedStorage.RemoteEvent:FireServer(interact)
				end
			end
		end
	end
end)

In the server script, the object is supposed to play a sound. What it's doing here is that when the event is fired, it checks the targets name. The next thing it does is that it changes the "current" value to the next sound. But that won't work, apparently the current value always stays at radio1, I have no idea why. When the event is fired the current value is supposed to change to the next sound (sorry if I repeated this.)

Server Script:

game.ReplicatedStorage.RemoteEvent.OnServerEvent:Connect(function(plr, interact)
	if interact.Parent.Name == "Radio" then
		
		local model = interact.Parent
		local radio = model.Radio
		local power = model.Power
		local backward = model.Backward
		local forward = model.Forward
		local debounce = false
		local on = true
		
		local radio1 = radio.radio01
		local radio2 = radio.radio02
		local radio3 = radio.radio03
		local radio4 = radio.radio04
		local radio5 = radio.radio05
		local radio6 = radio.radio06
		local radio7 = radio.radio07
		local radio8 = radio.radio08
		local radio9 = radio.radio09
		local radio10 = radio.radio10
		
		local current = radio1
		
		if interact.Name == "Backward" then
			if debounce == false then
				debounce = true
				if on == true then
					if current == radio1 then current.Volume = 0 current = radio10 current.Volume = .5
					elseif current == radio2 then current.Volume = 0 current = radio1 current.Volume = .5
					elseif current == radio3 then current.Volume = 0 current = radio2 current.Volume = .5
					elseif current == radio4 then current.Volume = 0 current = radio3 current.Volume = .5
					elseif current == radio5 then current.Volume = 0 current = radio4 current.Volume = .5
					elseif current == radio6 then current.Volume = 0 current = radio5 current.Volume = .5
					elseif current == radio7 then current.Volume = 0 current = radio6 current.Volume = .5
					elseif current == radio8 then current.Volume = 0 current = radio7 current.Volume = .5
					elseif current == radio9 then current.Volume = 0 current = radio8 current.Volume = .5
					elseif current == radio10 then current.Volume = 0 current = radio9 current.Volume = .5
					end
					backward.BrickColor = BrickColor.new("Sea green")
					print(current)
					wait(0.1)
					backward.BrickColor = BrickColor.new("Persimmon")
				end
				debounce = false
			end
		end
		if interact.Name == "Forward" then
			if debounce == false then
				debounce = true
				if on == true then
					if current == radio10 then current.Volume = 0 current = radio1 current.Volume = .5
					elseif current == radio9 then current.Volume = 0 current = radio10 current.Volume = .5
					elseif current == radio8 then current.Volume = 0 current = radio9 current.Volume = .5
					elseif current == radio7 then current.Volume = 0 current = radio8 current.Volume = .5
					elseif current == radio6 then current.Volume = 0 current = radio7 current.Volume = .5
					elseif current == radio5 then current.Volume = 0 current = radio6 current.Volume = .5
					elseif current == radio4 then current.Volume = 0 current = radio5 current.Volume = .5
					elseif current == radio3 then current.Volume = 0 current = radio4 current.Volume = .5
					elseif current == radio2 then current.Volume = 0 current = radio3 current.Volume = .5
					elseif current == radio1 then current.Volume = 0 current = radio2 current.Volume = .5
					end
					forward.BrickColor = BrickColor.new("Sea green")
					print(current)
					wait(0.1)
					forward.BrickColor = BrickColor.new("Persimmon")
				end
				debounce = false
			end
		end
		if interact.Name == "Power" then
			if debounce == false then
				debounce = true
				if on == true then
					on = false
					power.BrickColor = BrickColor.new("Persimmon")
					current.Volume = 0
				else
					on = true
					power.BrickColor = BrickColor.new("Sea green")
					current.Volume = .5
				end
				debounce = false
			end
		end
	end
end)

PS: No errors print out. Help would be appreciated.