--get arguments

    local tArgs = { ... }
    musicplaylist = false
    selectedsong = nil
    displaynotes = ""
    mute = {{ },{ },{ },{ },{ }}
    i = 1
    j = 1
    selectedi = 1
    selectedj = 1
    ptoggle = 0
    debug = false
    --attaching ironblocks
    ironblock1 = peripheral.wrap("left")
    ironblock2 = peripheral.wrap("right")
    ironblock3 = peripheral.wrap("back")
    ironblock4 = peripheral.wrap("top")
    ironblock5 = peripheral.wrap("bottom")

    function round(num, idp)
      local mult = 10^(idp or 0)
      return math.floor(num * mult + 0.5) / mult
    end

    input = function(evt, arg1, arg2)
            if debug and evt == "key" and arg1 == 41 then
                    debug = false
            elseif evt == "key" and arg1 == 41 then
                    debug = true
            end

            if debug then
                    if evt == "key" and arg1 == 17 and selectedi < 5 then
                            selectedi = selectedi + 1
                    elseif evt == "key" and arg1 == 31 and selectedi > 1  then
                            selectedi = selectedi - 1
                    elseif evt == "key" and arg1 == 32 and selectedj < 5 then
                            selectedj = selectedj + 1
                    elseif evt == "key" and arg1 == 30 and selectedj > 1 then
                            selectedj = selectedj - 1
                    end

                    if evt == "key" and arg1 == 57 and mute[selectedi][selectedj] ~= 0 then
                            mute[selectedi][selectedj] = 0
                    elseif evt == "key" and arg1 == 57 and mute[selectedi][selectedj] == 0 then
                            mute[selectedi][selectedj] = 1
                    end
            end

            if evt == "key" and arg1 == 15 and ptoggle ~= 0 then
                    ptoggle = 0
            elseif evt == "key" and arg1 == 15 and ptoggle == 0 then
                    ptoggle = 1
            end

            if evt == "key" and arg1 >= 2 and arg1 <= 12 then
                    factor = allNotes / 10
                    i =  round(factor * (arg1 - 2), 0)
            end
    end

    playnotes = function(noteblockside, channle, int)
    displaynotes = displaynotes .. "("
    if song[i][channle] then

    if song[i][channle][1] and mute[channle][1] ~= 0 then
    note = song[i][channle][1]
    noteblockside.playNote(int,note)
    displaynotes = displaynotes .. note .. ","
    end
    if song[i][channle][2] and mute[channle][2] ~= 0 then
    note = song[i][channle][2]
    noteblockside.playNote(int,note)
    displaynotes = displaynotes .. note .. ","
    end
    if song[i][channle][3] and mute[channle][3] ~= 0 then
    note = song[i][channle][3]
    noteblockside.playNote(int,note)
    displaynotes = displaynotes .. note .. ","
    end
    if song[i][channle][4] and mute[channle][4] ~= 0 then
    note = song[i][channle][4]
    noteblockside.playNote(int,note)
    displaynotes = displaynotes .. note .. ","
    end
    if song[i][channle][5] and mute[channle][5] ~= 0 then
    note = song[i][channle][5]
    noteblockside.playNote(int,note)
    displaynotes = displaynotes .. note .. ","
    end
    end
    displaynotes = displaynotes .. ")"
    end

    -- Song selection stuff
    if fs.exists("playlist") and #tArgs < 1 then
      local file = fs.open("playlist", "r")
       playlist = {}
                       toltal = 0
                      while true do
                     local songque = file.readLine()
                     if songque == nil then --if reached end of file
       break end
                       table.insert(playlist, songque)
                       toltal = toltal + 1
                       musicplaylist = true
      end
      selectedsong = playlist[1]
    elseif #tArgs < 1 then
       shell.run("clear")
       print( "Use the arrows and enter to chose.  " )
       songlist = fs.list("Music")
       i = 0
       max = -1
       while true do
               i = i + 1
               max = max + 1
                       if songlist[i] == nil then break end
       end
                       pointer = 1
                       term.setCursorPos(1, 10)
      term.clearLine(none)
                       print( "->" .. pointer .. ": " .. songlist[pointer])
              while true do

                                            list = 1
                                            while list < 9 do
                                             term.setCursorPos(1, 10 - list)
                                             term.clearLine(none)
                                             if songlist[pointer - (list)] then
                                             write( "  " .. pointer - (list) .. ": " .. songlist[pointer - (list)])
                                             end
                                             list = list + 1
                                            end
                                            term.setCursorPos(1, 10)
                                            term.clearLine(none)
                                            print( "->" .. pointer .. ": " .. songlist[pointer])
    list = 1
    while list < 10 do
                                             term.setCursorPos(1, 10 + list)
                                             term.clearLine(none)
                                             if songlist[pointer + (list)] then
                                             write( "  " .. pointer + (list) .. ": " .. songlist[pointer + (list)])
                                             end
                                             list = list + 1
                                            end
    local evt, arg1, arg2 = os.pullEvent()
                                            if arg1 == 28 then break end
                                            if arg1 == 200 and pointer > 1 then
                                                            pointer = pointer - 1
                                            elseif arg1 == 208 and pointer < max then
                                                            pointer = pointer + 1
                                            end

             end

    selectedsong = songlist[pointer]
    else
    selectedsong = tArgs[1]
    end

    que = 0
    while true do
    if musicplaylist then
    if que >= toltal then
    que = 1
    else
    que = que + 1
    end
    selectedsong = playlist[que]
    end

    -- Playing The Music

    --opening file
    shell.run( "clear" )
    if fs.exists("Instrument/" .. selectedsong) then
    shell.run( "Instrument/" .. selectedsong )
    else
    int1 = 0
    int2 = 0
    int3 = 0
    int4 = 0
    int5 = 0
    end
    file = io.open( "Music/" .. selectedsong )
    filedata = file:read()
    file:close()
    --converting file to table
    song = textutils.unserialize(filedata)
    allNotes = song["lenght"] / song["delay"]
    -- Song info
    term.setCursorPos(1,1)
    print("Song:" .. song["name"] )
    print("Author:" .. song["author"] )
    print("Original Author:" .. song["original_author"] )
    -- Start playing
    i = 0
    line1 = ""
    line2 = ""
    line3 = ""
    line4 = ""
    line5 = ""
    line6 = ""
    line7 = ""
    line8 = ""
    line9 = ""
    line10 = ""
    while i * song["delay"] < song["lenght"] + 1 do
    term.setCursorPos(1,4)
    if ptoggle ~= 1 then
            term.clearLine()
            print(i * song["delay"]  .."/" .. song["lenght"] .. " Seconds" )
    else
            term.clearLine()
            print(i .."/" .. allNotes .. " Notes" )
    end
    if debug then
            print("[" .. selectedi .. "," .. selectedj .. "]")
    else
            term.clearLine()
    end
    --clear all notes
    displaynotes = "["

    -- read notes for up to 5 parts
    i = i + 1
    if song[i] then
    if ironblock1 then playnotes(ironblock1, 1, int1) end
    if ironblock2 then playnotes(ironblock2, 2, int2) end
    if ironblock3 then playnotes(ironblock3, 3, int3) end
    if ironblock4 then playnotes(ironblock4, 4, int4) end
    if ironblock5 then playnotes(ironblock5, 5, int5) end
    end
    displaynotes = displaynotes .. "]                                  "
    line1 = line2
    line2 = line3
    line3 = line4
    line4 = line5
    line5 = line6
    line6 = line7
    line7 = line8
    line8 = line9
    line9 = line10
    line10 = displaynotes
    term.setCursorPos(1,9)
    term.clearLine()
    print(line1)
    term.clearLine()
    print(line2)
    term.clearLine()
    print(line3)
    term.clearLine()
    print(line4)
    term.clearLine()
    print(line5)
    term.clearLine()
    print(line6)
    term.clearLine()
    print(line7)
    term.clearLine()
    print(line8)
    term.clearLine()
    print(line9)
    term.clearLine()
    print(line10)



    os.startTimer(song["delay"])
    evt, arg1, arg2 = os.pullEvent()
    input(evt, arg1, arg2)
    if evt ~= "timer" then
            os.sleep(song["delay"])
    end

    end

    if musicplaylist == false then break end
    end
    -- End Playing