Many dwarf galaxies may orbit a single larger galaxy; the Milky Way has at least a dozen such satellites, with an estimated 300â500 yet to be discovered. Dwarf galaxies may also be classified as elliptical, spiral, or irregular.
Roadie definition, a member of a crew for a traveling group of musicians or other entertainers, whose work usually includes the setting up of equipment. See more. Dictionary.com
You can also get a very good representation of what it's like to be a professional roadie with this book by Karl Kuenning, Roadie: A True Story (at least the parts I remember) . It basically goes through his professional history as a roadie. Learn to love the sound board. It is your friend.