Like this - these are 1.5 x 10 mm jarrah strips. Roughly pre-bent using and steamer but these are actually bent in 3D (Guitar top is curved in 2D).
http://www.woodworkforums.ubeaut.com...1&d=1201262505
Your curves are way bigger than these.
Excess trimmed with a block plane and then hand sanded. Fill any remaining cracks with cabinet makes wax of approx colour.
Final result looks like this.
http://www.woodworkforums.ubeaut.com...1&d=1201262854