
Another name for Ebis D, which has the same note pitch / sound, which means that the two note names are enharmonicto each other. And since having one flat means there is no second-to-last flat, this key must simply be memorized. E-flat note This step shows note E-flat on two octaves, on the piano, treble clef and bass clef. F major has only one flat in its key signature – Bb. These are the seven major scale diatonic chords that come from the E Flat major scale. The exceptions are the key of C major (which has no sharps or flats), and the key of F major. This trick will work for all but two of the twelve major key signatures. Therefore, this is the key signature for Db major.

Reading from left to right, the flats are Bb, Eb, Ab, Db, and Gb. For flat keys: Find the second-to-last flat. Therefore, this key signature is the key of A major. Going up one half-step from G# brings us to A. What is the major key signature written below? Therefore the key signature written is for the key of B major. Going up one half-step from A# brings us to B.

On the example above, the last sharp is A#. Here is the trick for finding out which major key you are in when reading a sharp key signature: Find the last sharp. The sharps written here are (in order from left to right): F#, C#, G#, D#, A#. When you look at a key signature, understand that the sharps or flats read in order from left to right, even though it looks like they are being written in an up-and-down pattern. Yes, on a keyboard, D sharp and E flat are one in the same but, theoretically, they are not the same note and do not appear in the same key signature.
