Robert Mandell, professionally known as G Koop

An American Grammy-Nominated Record Producer, Songwriter & Musician

G Koop's has worked with several artists, including DOOM, Kid Cudi, Drake, The Game, G UnitIce CubePusha T, 2 Chainz and Rihanna, among others. G Koop has also written, produced, and played a number of songs with George Clinton.

With Metro Boomin, G Koop co-produced the song "Bad and Boujee" by Migos, featuring Lil Uzi Vert—his first no. 1 hit. The song was released in October 2016, and it rose to no. 1 on the Billboard Hot 100 in January 2017. The song has gone platinum in the United States. The album the song appeared on, Migos' Culture, debuted at no. 1 on the Billboard 200. The sample pack used on the song was originally sent to Metro Boomin, and was used to make not only Bad and Boujee, but also 21 Savage's "Ocean Drive.

More recently, Koop was featured as a writer on Drake’s hit, ‘Knife Talk’ ft 21 Savage, Muni Long’s, ‘Alone’ and Kodak Black’s, ‘I Can’t Sleep’

In addition to original productions, G koop has done replays for Drake, Katy Perry and many others.

Notable Compositions & Replays:

Drake - "Knife Talk'

Migos - 'Bad N Bougie 

Muni Long - 'Another'

Future - 'Benjamin Burn'

21 Savage 'Ocean Drive'

2 Chains - "Its a Vibe'

Drake: Furthest Thing - show video 

Katie Perry: Smile

Freddie Gibbs: Ice Cream

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