Judge Stephens held key (non-general public) hearings. Loving Common Lisp, or the Savvy Programmer's Secret Weapon, free to read right here (via) is a quite obtainable and modern just take on Common Lisp by veteran writer Mark Watson. Definitely worthy of a glance if you want a good Lisp guide, and certainly worthy of it to support the writer by buying a copy. Apple is really serious about competing with Spotify, which is great.