Eb is a musical note that is one half step lower than E. It is commonly used in various musical scales and compositions, particularly in jazz and classical music. In the context of the piano, Eb can be played using the black key immediately to the left of E. In terms of notation, Eb is represented by the symbol ♭ (flat) placed before the note E. This indicates that the pitch should be lowered. The note Eb is also part of several important chords, such as the Eb major chord, which consists of the notes Eb, G, and Bb.