diff --git a/README.md b/README.md
index 43003d5..7eb7f22 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,30 @@
-# underbridge
- Multitrack exporter for OP-Z
+## Despriciption
+
+- Exports Patterns and projects individual Audio Tracks to seperate folders for use in your DAW
+- Python cross plattform with single file binary for x86 linux
+
+## Steps
+
+- connect OP-Z via USB
+- run underbridge.fun
+
+### Single Pattern Mode
+
+- Select Pattern you want to export
+- Enter name for the project. This is used for the folder structure
+- Get BPM from led code or Smartphone app.
+- Enter BPM and longest Bar of you track (1-4)
+- Optionally enter additional seconds at the end of the recording to capture reverb tails etc.
+- Select pattern mode
+- Select directory you want to record the waves to
+- Click record and wait until finished.
+
+### Project mode
+
+- choose first pattern in your project as starting point
+- Select project mode
+- Everything else like above
+
+
+
+
diff --git a/underbridge.py b/underbridge.py
new file mode 100644
index 0000000..1cc5e62
--- /dev/null
+++ b/underbridge.py
@@ -0,0 +1,253 @@
+import mido
+import pyaudio
+import wave
+from tkinter import *
+from tkinter import filedialog as fd
+import time
+import threading
+import os
+
+loop_time = 0
+inport = 0
+outport = 0
+path = 0
+folder = 0
+j = 0
+mode_select=0
+addsec = 0
+
+def getMIDIDevice():
+    pass
+
+
+def getBPM():
+    inport= mido.open_input('OP-Z:OP-Z MIDI 1 20:0')
+    msg = inport.poll()
+    print(msg)
+
+def setLoop():
+    global loop_time
+    bpm = bpm_input.get()
+    bar = bar_input.get()
+    addsec = add_sec.get()
+    loop_time = (240 / int(bpm) * int(bar)) + int(addsec)
+    print("Loop time set!")
+    displaymsg.set("BPM Set!")
+    return time
+
+def setParam():
+    setLoop()
+    mode = mode_select.get()
+    if mode == 2:
+        projnr = project_input.get()
+        setProject(projnr)
+
+def openMidi():    
+    global outport          
+    outport= mido.open_output('OP-Z:OP-Z MIDI 1 20:0')
+    print(outport) 
+
+def setProject(projnr):
+    global outport
+    msg= mido.Message('program_change',song= projnr, program = 1)
+    outport.send(msg)
+
+def muteAll():
+    global outport
+    for i in range (0,15):
+        msg = mido.Message('control_change',control= 53, channel= i, value=1)
+        outport.send(msg)
+        
+def setSolo(chn):
+    global outport
+    msg = mido.Message('control_change',control= 53, channel= chn, value=0)
+    outport.send(msg)
+
+def start_MIDI():
+    global outport
+    msg = mido.Message('start')
+    outport.send(msg)
+    displaymsg.set("Playback started")
+
+def stop_MIDI():
+    global outport
+    msg = mido.Message('stop')
+    outport.send(msg)
+    displaymsg.set("Playback stopped")
+
+def nextPattern():
+    global outport
+    msg = mido.Message('control_change', control = 103, value = 16)
+    outport.send(msg)
+    displaymsg.set("Next Pattern")
+
+def nextSong():
+    pass
+
+def closeMidi():
+    pass
+
+def setPath():
+    global path
+    folder = name_input.get()
+    path = fd.askdirectory()    
+    displaymsg.set("Directory set")
+    makeDir()
+
+def makeDir():
+    global folder
+    folder = name_input.get()
+    os.mkdir(folder)
+
+def start_Rec():
+    displaymsg.set("Recording...")
+    global path
+    global time
+    global j
+    CHUNK = 1024
+    FORMAT = pyaudio.paInt16
+    CHANNELS = 2
+    RATE = 44100
+    RECORD_SECONDS = loop_time
+    WAVE_OUTPUT_FILENAME =  name_input.get()+ "_" + "track" + str(j+1) + ".wav"
+    
+    p = pyaudio.PyAudio()
+
+    stream = p.open(format=FORMAT,
+                    channels=CHANNELS,
+                    rate=RATE,
+                    input=True,
+                    frames_per_buffer=CHUNK
+                    )
+
+    print("* recording")
+    start_MIDI()
+    frames = []
+
+    for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
+        data = stream.read(CHUNK)
+        frames.append(data)
+
+    print("Done recording")
+
+    stream.stop_stream()
+    stream.close()
+    p.terminate()
+
+    wf = wave.open(path + '/'+ folder + '/' + WAVE_OUTPUT_FILENAME, 'wb')
+    wf.setnchannels(CHANNELS)
+    wf.setsampwidth(p.get_sample_size(FORMAT))
+    wf.setframerate(RATE)
+    wf.writeframes(b''.join(frames))
+    wf.close()
+    j = j + 1
+    displaymsg.set("End of Recording")
+
+def sequenceMaster():
+    print("test")
+    
+
+    for i in range (0,8):
+        print("sequence started",i)
+        displaymsg.set("Sequence started")
+        openMidi()
+        muteAll()
+        setSolo(i)
+        #starting Midi during wave record for timing        
+        start_Rec()
+        #print(i)
+        stop_MIDI()
+        mode = mode_select.get()        
+        if i == 7 and mode == 2: 
+            print(mode_select)
+            stop_MIDI()
+            time.sleep(5)
+            nextPattern()
+            sequenceMaster()      
+            
+
+#GUI Main
+buttonsize_x = 8
+buttonsize_y = 2
+mode_select = 0
+
+root = Tk()
+root.title('underbridge for OP-Z')
+root.resizable(width=False, height=False) #565A5E
+root.tk_setPalette(background='#565A5E', foreground='black',activeBackground='#283867', activeForeground='black' )
+
+upperframe= LabelFrame(root, text= "Parameter",padx= 10, pady =10, fg = 'white')
+upperframe.grid(row = 0, column = 0, padx =2, pady =2, columnspan=7)
+
+lowerframe= Frame(root,padx= 15, pady =10)
+lowerframe.grid(row = 1, column = 0, padx =2, pady =2, columnspan=7)
+
+mode_select = IntVar()
+displaymsg = StringVar()
+#root.geometry('550x150+0+0')
+
+Get_BPM = Button(upperframe, text="Get BPM",width = buttonsize_x, height = buttonsize_y, fg = 'white', command = lambda:getBPM())
+
+#ALL = Radiobutton(lowerframe, text= 'ALL', value = 1 , variable = mode_select, width = buttonsize_x, height = buttonsize_y , indicatoron = 0, bg= '#1b7d24' )
+Song = Radiobutton(lowerframe, text= 'Project', value = 2 , variable = mode_select, width = buttonsize_x, height = buttonsize_y , indicatoron = 0, bg= '#1b7d24' )
+Pattern = Radiobutton(lowerframe, text= 'Pattern', value = 3 , variable = mode_select, width = buttonsize_x, height = buttonsize_y, indicatoron = 0,bg= '#1b7d24' )
+Pattern.select()
+
+bar_input = Scale(upperframe, from_ = 1, to = 4, orient = HORIZONTAL, label="Nr. Bars", sliderlength= 10, length= 75, fg = 'white')
+#bar_text = Label(upperframe,text="Nr. of Bars", width = 8, height = 1)
+
+patterns_input = Scale(upperframe, from_ = 1, to = 10, orient = HORIZONTAL, label="Patterns",sliderlength= 10, length= 75, fg = 'white')
+
+bpm_input = Entry(upperframe, width =10, text="BPM",bg= 'white')
+#bpm_text = Label(upperframe,text="BPM", width = 8, height = 1)
+bpm_input.insert(0, "BPM")
+
+#project_input = Entry(upperframe, width =10, text="Project",bg= 'white')
+#bpm_text = Label(upperframe,text="BPM", width = 8, height = 1)
+#project_input.insert(0, "Project Nr.")
+
+add_sec = Scale(upperframe, from_ = 0, to = 10, orient = HORIZONTAL, label="extra Sec", sliderlength= 10, length= 75, fg = 'white')
+#add_text = Label(upperframe,text="Sec offset", width = 8, height = 1)
+
+name_input = Entry(upperframe, width =10, text="Name",bg = 'white')
+name_input.insert(0, "Name")
+#name_text = Label(upperframe,text="Prj Name", width = 8, height = 1)
+
+set_param = Button(lowerframe, text="set Param",width = buttonsize_x, height = buttonsize_y, fg = 'white',bg= 'blue', command = lambda:setParam())
+set_path = Button(lowerframe, text="Directory",width = buttonsize_x, height = buttonsize_y,fg = 'white',bg= 'blue', command = lambda:setPath())
+start_recording = Button(lowerframe, text="Record",width = buttonsize_x, height = buttonsize_y,fg = 'white', bg = 'red', command = lambda: threading.Thread(target = sequenceMaster()).start())
+
+tutorial = Label(root,text="Enter Parameter, then press set_length, choose directory and start recording", width = 75, height = 2, bg ='grey',fg= 'white', relief = SUNKEN)
+display = Label(root,textvariable= displaymsg, width = 75, height = 2, bg ='white', relief = SUNKEN)
+
+
+#Get_BPM.grid(row = 1, column = 0, padx =2, pady =2)
+
+#ALL.grid(row = 1, column = 0, padx =5, pady =2)
+Song.grid(row = 1, column = 1, padx =5, pady =2)
+Pattern.grid(row = 1, column = 2, padx =5, pady =2)
+
+name_input.grid(row = 0, column = 0, padx =5, pady =0)
+#name_text.grid(row = 1, column = 2, padx =0, pady =0)
+
+bpm_input.grid(row = 0, column = 1, padx =5, pady =0)
+#bpm_text.grid(row = 0, column = 0, padx =0, pady =0)
+
+#project_input.grid(row = 0, column = 2, padx =5, pady =0)
+
+bar_input.grid(row = 0, column = 3, padx =5, pady =2)
+#bar_text.grid(row = 1, column = 2, padx =0, pady =0)
+
+patterns_input.grid(row = 0, column = 4, padx =5, pady =2)
+
+add_sec.grid(row = 0, column = 5, padx =5, pady =2)
+#add_text.grid(row = 1, column = 0, padx =0, pady =0)
+
+set_param.grid(row = 1, column = 3, padx =5, pady =10)
+set_path.grid(row = 1, column = 4, padx =5, pady =10)
+start_recording.grid(row = 1, column = 5, padx =5, pady =10)
+
+tutorial.grid(row = 2, column = 0, padx =2, pady =10, columnspan=7)
+display.grid(row = 3, column = 0, padx =2, pady =2, columnspan=7)
+
+root.mainloop()
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