How to add textures ?

[Razmott]

I want to add a texture on the Musicube, but even when reading the docs I don't know how I can do that. Can you help me, thanks.
Also, this is the texture ( it's a test that's why it doesn't look like much) :

 

[ilikecars]

uhhhh here things for textur

 

[Razmott]

actually I wanted to know how to do it, and.... Devel has already done it... but thanks anyway