Answer:
Thats false
Explanation:
The white keys on the keyboard are the major notes (C, D, E, F, G, A, B) while the black keys signifies the sharps and flats of the white notes. notes like C#, F# are from the black keys and are classified as sharps, keys like Bb, Gb are called flats and are also found among the black keys.
If you forget to backstitch the peice will most likely come un-done. But u can probably go over it easlily