Based on 10 years of teaching notes, this book by S. Dasgupta, C.H. Papadimitriou, and U.V. Vazirani covers a significant portion (if not all) of an upper year Computer Science course in algorithms.

A music generator, whose algorithm is based on points rotating at different rates to produce different harmonics. I think that's best how to describe it. Strangely melodic, and very enticing.