I got to appreciate congolese music in the 1990's while living in London and Washington DC, the music from that decade was modern yet pure, the 1980's were the foundation years and the 2000's was an era in which congolese music gained great popularity through youtube and the internet.

I had songs like Koffi Olomide's Dessepoir, Losambo - Extra Musica and Reine de Saba - Bozi Boziana on repeat.

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Welcome to the forum. Regarding the best music generation, i think it's a matter of taste and it's difficult because each generation has a different kind of music. I prefer the generation of Franco especially music from early eighties and i also like the music introduced by Wenge and copied by Extra Musica. 

I'm also a big fan of Franco and all the artistic protege's that he spawned, including Mabiala and Madilu System etc,.... thanks for the info.

I would vote for the generation that emerged in the 80's plus Extra Musica.