In subsequent years, Patrzałek's popularity grew rapidly beyond Polish borders due to multiple viral releases online.

His videos were posted and discussed by notable publishers such as Rolling Stone, Metal Hammer, Classic FM, Guitar World, Billboard as well as independently.

[7][8][1][9][10] Patrzalek's performances have amassed over 150 million views online,[citation needed] the main contributors to this number being his solo acoustic guitar arrangements of major classical pieces such as Beethoven's Moonlight Sonata and Symphony No.

[13] Marcin's continued prolific output on Instagram and TikTok led to him being praised by guitar figures such as Tom Morello, Paul Stanley, Dweezil Zappa, Tosin Abasi, Vernon Reid.

[2][5] It quickly became his main instrument and after around a year of self-taught practice in 2015 he won the ninth edition of Polish talent-show Must Be The Music.

Around that time he started creating electronic music on his computer and combining it with guitar playing, which later resulted in the creation of his debut record, HUSH.

[6] After gaining more international recognition between his videos and talent show performances, Marcin toured multiple countries and continents in 2018 and 2019.

The former quickly became one of Patrzałek's most popular releases, while the latter includes heavy reggaeton influences not characteristic of his previous work or of fingerstyle guitar in general.

During the coronavirus pandemic, he gathered millions of followers on social media platforms Instagram and TikTok due to his increased activity.

In March 2022, Patrzałek was a special guest at a series of seven concerts at the Royal Albert Hall in London, as part of the Classical Spectacular show.