It is the predominant key of Maurice Ravel's Introduction and Allegro for harp, flute, clarinet and string quartet, and is also used in the second movement "Le Gibet" of Ravel's famous Gaspard de la nuit.

A striking use of G-flat major can be found in the love duet "Tu l'as dit" that concludes the fourth act of Giacomo Meyerbeer's opera Les Huguenots.

Muzio Clementi chose F-sharp in his set for the prelude, but G-flat for the final "Grande Exercice" which modulates through all the keys.

Austrian composer Franz Schubert chose this key for his third impromptu from his first collection of impromptus (1827).

John Rutter has chosen G-flat major for a number of his compositions, including "Mary's Lullaby" and "What sweeter music".

In many soprano voices there is a break round about E (a tenth above middle C) with the result that it is not their best note, bypassed in the key of G-flat major.