[1] Starting off his music career, Flex D'Paper was part of the high school rap group, The Rapaholix, which he started with friends, Dasper Cosine and later joined by Apass as an affiliate with whom the trio put out a mix tape, The Eviction Notice[2] that included chart topping singles like "Burning", "Party Life" and "Follow Me" (with Allan Toniks) which topped countdowns in Uganda such as NTV and Sanyu FM.

[7] During an interview with Hot 100.9 fm in Uganda, Flex D'Paper explained how he got his name from being flexible because of the different styles of music that he can write as well as ghostwrite for other artists, while Paper comes from being motivated to get the money, and change his environment for the better.

[20][21] He has shared a stage and performed alongside artists like Navio, Maro, Megaloh, Ghanaian Stallion GNL Zamba, Allan Toniks, Keko, Chameleone Bebe Cool, Octopizzo from Kenya [22][23] Radio & Weasel among others and opened for international act, Ne-Yo.

[26][27][28] In 2016, Flex D'Paper put out a Ugandan remix to popular Kenyan song Ting Badi Malo, originally performed by Khaligraph Jones [29] and later Day Ones, featuring Navio and Martha Smallz.

[34] In October 2016, Flex D'Paper after releasing a compilation CD, with the different freestyles and singles he set off for a city tour in Europe performing at festivals and clubs starting with Stuttgart, Frankfurt and Berlin in Germany and later Brussels.

[39] Day Ones featuring Navio and Martha Smallz, a single off the mixtape was nominated for The Buzz Teeniez Awards for Hip Hop Song of the year.

On 16 October 2017, the Mixtape release party was held at the Uganda Germany Cultural Center a platform he used to introduce other various artists to show case as well.

In March 2016, Flex D'Paper was part of the artists in Uganda that joined Viva con Agua de Sankt Paul a charity-based organization located in St. Pauli/Hamburg campaigning for fresh water, sanitation and hygiene (WASH).

The organization held a concert where the artists including Flex D'Paper performed alongside some international acts like Octopizzo from Kenya, Ghanaian Stallion, Lady Slyke, Sylvester & Abramz among others.

He later performed at the We Love Youganda festival held on 2 December and organized by Viva con Agua de Sankt Pauli Kampala office alongside various artists like Maro, Navio, Muthoni from Rwanda and more including Chef Boss from Germany.