Level
Here you see all black keys from the 1-striped octave (the low octave). There's a sharp in front of every note and a sharp after the name of the original white key, just as with the F.
3
Here you see all black keys from the 1-striped octave (the low octave). There's a sharp in front of every note and a sharp after the name of the original white key, just as with the F.
The names of all black keys in a row are C♯ D♯ and F♯ G♯ A♯. This is pronounced as C-sharp, D-sharp and F-sharp, G-sharp, A-sharp. These names are used for the notes as well as the keys. Do you want to play a song with only black keys? This is a very famous song with a sharp for each note.