Edj

local d = {}
for i, name in pairs(peripheral.getNames()) do
  if peripheral.getType(name) == "drive" then
    table.insert(d, name)
  end
end
if table.getn(d) < 1 then
  print("No drives found! Exiting...")
end
for i, name in pairs(d) do
  if peripheral.call(name, "hasAudio") then
    print(string.format("Drive %i %q: %q", i, name, peripheral.call(name, "getAudioTitle")))
  else
    print(string.format("Drive %i %q: %s", i, name, "NO DISC"))
  end
end
local num = false
while not num do
  io.write("Play Disc: ")
  num = tonumber(io.read())
  if not num or num < 1 or num > table.getn(d) then print("Invalid input!") end
end
print(string.format("Playing %q now!", peripheral.call(d[num], "getAudioTitle")))
peripheral.call(d[num], "playAudio")
local cmd = ""
while cmd ~= "exit" and cmd ~= "stop" do
  print(string.format("Enter %q or %q to quit.", "exit", "stop"))
  cmd = io.read()
end
peripheral.call(d[num], "stopAudio")