Blending Options>Gradient Overlay 
Gradient’s parameters: 
Blending Options>Stroke 
Gradient’s parameters: 
Make five copies of the layer containing the button and select the
Free Transform option to make the necessary changes on the copies’ sizes and on their placement on the picture.
Create again a new layer and use on it the
Pencil Tool (B) (brush of
1 px) with the color
#2C3437 to represent different symbols on the player’s buttons.
Make copies of the layers composing the buttons’ symbols and select
Free Transform option to turn over the copies and place them the way shown below:
Next we have to draw on the left side of the play panel the sound’s indicator. The instrument applied in this case is
Rounded Rectangle Tool (U) with a radius of
10 px.
The layer’s parameters:
Fill 0% Blending Options>Inner Glow 
Blending Options>Stroke
