Final answer:
The mnemonic device provided to remember the order of sharps in sharp keys is the phrase "Father Charles Goes Down And Ends Battle."
Step-by-step explanation:
A mnemonic device that can help you remember the order of the sharps in the sharp keys is the phrase "Father Charles Goes Down And Ends Battle." Each word in the phrase represents the order of the sharps: F, C, G, D, A, E, B. By remembering this phrase, you can easily recall the order of sharps in sharp keys.
The mnemonic helper often provided to remember the order of the sharps in musical keys is Father Charles Goes Down And Ends Battle, which helps recall the sharps in the order that they appear in key signatures: F#, C#, G#, D#, A#, E#, B#. This type of mnemonic is known as an acronym, where each first letter of the words corresponds to a sharp note in music theory. Notably, one can use the reverse of this mnemonic, Battle Ends And Down Goes Charles' Father, to remember the order of flats.