The key that has one sharp is G major. In the key of G major, the only sharp note is F#, which gives the key its distinct sound.
When we look at the notes in the G major scale, they are:
- G
- A
- B
- C
- D
- E
- F#
This scale structure allows for a bright and lively musical atmosphere, which is why G major is commonly used in various genres, especially in folk, pop, and classical music. In music theory, the presence of the sharp note indicates the key signature, allowing musicians to easily understand the specific notes to play in compositions.