Of course, the ritual will vary from one recording studio to the next, but the best way to determine anyone’s order of tasks is to keep in mind why the clients are even there in the first place (i.e., recording, mixing, or whatever stage they're at to make a product). 

   Rule number one means doing whatever it takes to create a productive and comfortable, working environment conducive to making the highest quality of recordings possible and making maximum use of everyone’s time.