Blending Options>Gradient Overlay:
Blending Options>Stroke:
The screw is ready to be copied and placed the way you may see on the next picture:
No we'll make a copy of our loud speaker, make the copy smaller and place it on the lateral music boxes.
Make a copy now of the circle with metal texture and place it like in the next picture and create one more circle inside the first one.
Blending Options>Gradient Overlay:
Blending Options>Stroke:
Picture out more smaller circle with the color's code #5D5F5E, placing it as in the next picture:
Blending Options>Drop Shadow:
Blending Options>Stroke:
Now we have to make one more layer on which we'll put several spots, colored with #DADADA, as the next picture indicates it:
Press Alt button and make a mouse's click between the spots' layer and the circle's one:
Set the rivets now:
Next we'll just make a copy of the loud speaker and change the copy's inside part with that loud speaker we've represented at the beginning. Place it on the upper music box, as on the next picture:
We have to represent another loud speaker. Make a copy of the metallic circle:
Represent one more circle inside the first one:
Blending Options>Gradient Overlay:
Blending Options>Stroke:
It's necessary to create one more circle:
Blending Options>Drop Shadow:
Blending Options>Stroke:
Make a copy of the spots' layer we did earlier and press the Alt button while making a click between the layers.
Set the rivets on their places and make a copy of the new loud speaker, the same way indicated below:
Make one more copy which must be placed on the right music box, but we also have to enlarge the metallic texture:
Next stage includes representing the sub buffer's grating. It's necessary to create one big circle on the entire loud speaker's surface with the Ellipse Tool (U). Press Shift button to represent several smaller circles. We'll use also the Patch Selection Tool (A) to move them where necessary. We have to select also the Polygon Tool (U) to represent four pentagons by the edges while pressing Shift button.
Blending Options>Gradient Overlay:
Give some volume to the grating: Blending Options>Bevel and Emboss
Insert the shadow Blending Options>Drop Shadow:
Place the screws on the edges and the grating is finished!
We can represent a kind of reflection also, just to make the picture nicer. In this case we'll choose the appropriate instrument when using the Shift button to represent by one rectangle under each music box:
Blending Options>Gradient Overlay:
That's it! The lesson is finished. Good luck and success with your inspiration!
More Tutorials: 
