void loop()
{


  /* MIDI USB -> MIDI UART */
  midiEventPacket_t rx = MidiUSB.read();
  if (rx.header != 0) {


//if (((rx.byte1 & B00001111) == 0x09) && (((rx.byte1 & B11110000)) == 0x90 )) //off

if (((rx.byte1 & B00001111) == 0x09) && (((rx.byte1 & B11110000)) == 0x90 )) //on
  {
    switch(rx.byte2)
      {
      case 0x23:
      digitalWrite(2, HIGH);
      case 0x25:
      digitalWrite(5, HIGH);
      case 0x26:
      digitalWrite(5, HIGH);
      case 0x28:
      digitalWrite(5, HIGH);
      case 0x2A:
      digitalWrite(4, HIGH);
      case 0x2C:
      digitalWrite(6, HIGH);
      case 0x2E:
      digitalWrite(8, HIGH);
      case 0x31:
      digitalWrite(9, HIGH);
      case 0x39:
      digitalWrite(3, HIGH);
      case 0x35:
      digitalWrite(10, HIGH);
      case 0x29:
      digitalWrite(16, HIGH);
      case 0x2B:
      digitalWrite(16, HIGH);
      case 0x2D:
      digitalWrite(14, HIGH);
      case 0x2F:
      digitalWrite(14, HIGH);
      case 0x30:
      digitalWrite(7, HIGH);
      case 0x32:
      digitalWrite(7, HIGH);
      }

  }
if (((rx.byte1 & B00001111) == 0x09) && (((rx.byte1 & B11110000)) == 0x80 )) //on
  {

    switch(rx.byte2)
      {
      case 0x23:
      digitalWrite(2, LOW);
      case 0x25:
      digitalWrite(5, LOW);
      case 0x26:
      digitalWrite(5, LOW);
      case 0x28:
      digitalWrite(5, LOW);
      case 0x2A:
      digitalWrite(4, LOW);
      case 0x2C:
      digitalWrite(6, LOW);
      case 0x2E:
      digitalWrite(8, LOW);
      case 0x31:
      digitalWrite(9, LOW);
      case 0x39:
      digitalWrite(3, LOW);
      case 0x35:
      digitalWrite(10, LOW);
      case 0x29:
      digitalWrite(16, LOW);
      case 0x2B:
      digitalWrite(16, LOW);
      case 0x2D:
      digitalWrite(14, LOW);
      case 0x2F:
      digitalWrite(14, LOW);
      case 0x30:
      digitalWrite(7, LOW);
      case 0x32:
      digitalWrite(7, LOW);
      }

  }
}

  }