This formula enables you to work out every major and minor key signature and is much quicker than constructing every tone and semitone. I also give some tips and techniques for remembering the order of sharps and flats. In this video, at 22:30, I refer to my exam technique guide "How to Take ABRSM Theory Grades 1, 2 and 3" available in Paperback and eBook from Amazon (links below to UK and USA sites) and show how this formula is an invaluable exam tool. https://www.amazon.co.uk/dp/B0756KRMLK https://www.amazon.com/dp/B0756KRMLK Previous videos mentioned in The Circle of Fifths: Semitones and Tones easily explained and demonstrated • Semitones and Tones easily explained and d... The Construction of the Major Scale a Beginners Music Theory Lesson • The Construction of the Major Scale: A Beg... -- ABRSM Discovering Music Theory Grade 1 Playlist https://bit.ly/DMTGd1 ABRSM Discovering Music Theory Grade 5 Playlist https://bit.ly/DMTGd5 To support my lessons and YouTube Channel you can Buy Me A Coffee; https://www.buymeacoffee.com/sharonbill To become a Patron and get advert free lessons visit; / sharonbill Subscribe to my channel https://www.youtube.com/subscription_... My Website http://www.sharonbill.com Facebook / sharonbillpage Twitter / sharonebill Instagram / sharonbill_ig