qtheperfect / music_offering

An instrumental C++ program to show how music keys are switched by the sharp & flat marks in sheet music.

Music Offering:

An instrumental C++ program to show music key switches.

Brief Introduction:

This script helps to learn how music keys are shifted by the sharp & flat marks in sheet music. You can control the shifts by adding p(sharp) or l(flat) notes, and check how the (logical) black & white keys are arranged on the piano.

Example:

Try the following commands in console, and the logical pianos will be printed after RET (RET means Enter):

• type C RET to switch to C-Major;
• type p RET to sharpen to G-Major, or l RET to flatten to F-Major;
• type F or Eb or G# to switch to each corresponding majors;
• type C to go back to C-Major;
• type ppppp RET to check that five sharp marks result in B-Major;
• type C RET llll RET to check that four flat marks result in G#(Ab)-Major;
• type s to toggle the #/b marks of the piano, or q to quit.

Author and License:

• Author: Linghuei Guo. Henu, Zhengzhou, China. 16 Nov 2023.
• Contact: [mailto:[e-mail]], with gpg fingerprint: [6819D81B0971C2C4]
• All rights reserved.