You are standing in a bedroom, facing towards the wooden wall, turn right, to the left there is an open door, walk to the open door, turn left, walk straight and exit the room, walk straight, until yo reach the musical instrument in-front of you, turn back. In-front of you there is a staircase, walk to the staircase, get down the staircase and stand on the second step of the staircase in-front of the glass window, that's your end point.