V of V in C, four-part harmony. Bruce Benward and Marilyn Nadine Saker (2003). Music: In Theory and Practice, Vol. I, seventh edition: p.269. ISBN 978-0-07-294262-0.
Sound of turning on and off a light switch. Recorded with jjc sgm-v1. You don't have to credit me anywhere but if you liked this sound effect, please let me know in the comments where you've used it. Thanks!.