Charcoal, ink and mixed media

I love playing with charcoal.  It can be very temperamental at times but can produce some nice results:

I'm rather pleased with how this drawing turned out as shadows aren't really one of my natural strengths.  Generally, I find myself a little more comfortable with ink and texture, like this:

It's a little sloppy, I know, but I do like the light blue and grey that has shown through in the background peices.  Obviously, I was listening to Nirvana while constructing this one but it was produced with the help of a reference picture.  This isn't the first time I looked to a strong image in music to interpret:

This image is a good 5 or 6 years old, at the very beginning of my foray into the wonderful world of watercolour pencils.  10 points to anyone who can guess what this is.  Actually, 100 points as it's probably a little obscure.  Hint:  it's off their live CD.