Well I'm actually only a beginner at Photoshop So I used only one brush (soft round brush) and adjusted the size, flow, and opacity to whatever suited me...and I also used the Burn and Dodge tool...to do the shadowing and highlights
You're quite welcome Sama, Your work is incredible. I would like to invite you to visit my music site [link] when you have the time. There's also a poll concerning my music, located on my DA profile page below my ID, if you would like to participate. Your feedback is appreciated.