MP3 Player Interface

Make a copy of the stripe and place the copy under the neighboring buttons row:

The Ellipse Tool (U) will be helpful in making roundness between the buttons' rows with the same gradient's parameters the stripes have:

Using the Rounded Rectangle Tool (U) with 30 px, try to make one more button:

Blending Options>Gradient Overlay:

Represent one more button inside:

Blending Options>Gradient Overlay:

Blending Options>Drop Shadow:

Blending Options>Stroke:

Using the copying effect, place several more buttons, the way it is represented below:

Use the Ellipse Tool (U) to create the roundness the way it is shown next image:

Blending Options>Gradient Overlay:

Make a copy of the last made roundness and make it smaller:

Blending Options>Gradient Overlay:

Blending Options>Inner Glow:

Blending Options>Stroke:

Choose now the Pen Tool (P) and represent an element like the next one:

Blending Options>Gradient Overlay:

Represent inside the made button a small roundness also:

Start representing the power supply button. It's necessary in this case to select the Rounded Rectangle Tool (U) with 30 px radius. Represent the figure by pressing the Shift button and use simultaneously the Ellipse Tool (U).

Blending Options>Gradient Overlay:

Using the same method, try to make one more figure inside the already made one:

Blending Options>Gradient Overlay:

Applying the Ellipse Tool (U) make one more roundness:

Blending Options>Gradient Overlay:

Blending Options>Inner Glow:

Blending Options>Drop Shadow:

Blending Options>Stroke:

We have to picture now the power supply indicator. Select for this operation the Custom Shape Tool (U).

Choose now the Rectangle Tool (U) and press the Alt button for erasing and Shift button for adding it, try to represent the indicator the way it is shown next picture: