*OWN will present two new episodes of “Oprah’s Master Class” back to back on Saturday (Sept. 23).

The series, currently in its 6th season, offers first–person insight into the brilliant minds of entertainers and public figures we love, respect and admire.

First up at 9 p.m. is Usher Raymond, followed by R&B legend Gladys Knight at 10 p.m.

Usher Raymond IV catapulted from breakout teen performer to multi-platinum music sensation and sex symbol. Usher details how he dealt with fame at a young age and the role that family has played in shaping his career and life along the way.

Below, Usher talks about standing up to his mentor, Sean ‘Diddy’ Combs, as a young teenager looking to spend more time in the studio and less time in the clubs.

Below, Usher discusses the level of commitment he picked up from his mentor, mogul Sean ‘Diddy’ Combs, which Usher exhibits to this day.

In her episode, Gladys Knight reflects on coming of age in the music business, the harsh reality of touring in the 1950’s segregated south, finding her own voice late in her career, and learning to understand the kind of commitment marriage requires.

Below, Knight shares how a track tournament almost caused her to miss out on the opportunity of a lifetime.

Below, Knight recalls how she received the cold shoulder after winning ‘Ted Mack and the Original Amateur Hour,’ and how Ted Mack’s kindness impressed her.