Pachelbel's Canon in Dmaj in 73 lines of obfuscated C

It took me depressingly long to figure out that the URL can simply be embedded like that because `http:` is a label (used to implement an infinite loop) and the rest is commented out by `//`.

Stumbled upon this... somehow. You need to replace x1 with x[1] and q1 with q[1] for it to compile.