Piano Shaped Cake Hi,i Need To Make A Birthday Cake In The Shape Of A Piano, Im Not Very 'artistic' Any One Got Any Ideas?

Hi,i need to make a birthday cake in the shape of a piano, im not very 'artistic' any one got any ideas? - piano shaped cake

Anniversary of my friends, is a pianist and she wants a cake shaped like a piano, but I'm not great when it comes to the artistic side of things! Id really appreciate someone knows recipes for a simple but great looking cake like that.
Thank you very much!