Wanna have a s*x with me a long di*k and your small pus*y ​

Ablank is a type of chord that consists of three pitches on consecutive lines or spaces

What are these signs and what do they mean ?

To create an illustration of perspective, this artist did all of the following except 1) show clear orthogonal lines 2) have an implied vanishing point 3) distort proportion to keep the background and foreground the same size 4) include value changes between the foreground and background i was thinking maybe 1