Faurés mature style explores the chromatic depths of counterpoint while retaining a radiant surface, and his 6th Nocturne in D flat major, Op. 63, is a great example that holds together three disparate ideas beautifully. 

This video is on the advanced side of analysis on the channel, e.g. some concepts are used freely in order to get more complex points through. If you don't know them this should still give some good context for getting acquainted with them (things like cadence, sequence, appoggiatura etc.) 

The piece was a Patreon request by S. Lam.

Video: https://youtu.be/K5emh7NdGYE