While not quite as important to the novels as the six band members of Sound Unltd, all big-time rock bands or rappers or pop singers or whatever have ‘administrative staff’–managers, road managers, roadies, producers, promoters, accountants, lawyers, consultants, and what not. A few of these types of support staff personnel within the three books are important characters that appear in all three books. And they are–
The fictitious rock and roll band that is on a journey to either choosing a good vs. evil path that ultimately all must take at some point called–for a very good reason–Sound Unltd, consists of six musicians of worthy talent, ambition, drive, and goals, with an instrument make up resembling most rock bands regardless of origin: guitarists–in this case, two–bass, percussion, keyboard-synthesizer, and lead singer/frontman. Since the time of the Beatles, this has been the usual configuration, more or less. Some of the six can play other instruments, as well, and some also have classical or operatic training. Three of the six come from musical families.