|Age (at audition)||18|
Marcin Patrzalek is a Polish percussive fingerstyle guitarist, composer and producer. He is known for combining fingerstyle, percussive guitar techniques as well as electronic and orchestral production. He gained popularity in 2015 after winning the ninth edition of Polish talent show Must Be The Music, the prize for which was 100,000 Polish złoty and an additional 100,000 złoty for promotion of his music on Polish radio station RMF FM. After local success he went on to release his debut record HUSH, the release of which was accompanied by singles including Patrzalek's percussive arrangement of Isaac Albéniz's "Asturias"; the video of the arrangement was released through fingerstyle label CandyRat Records. In subsequent years Patrzalek's popularity grew rapidly beyond Polish borders due to multiple viral releases online. His videos were posted by notable publishers such as Metal Hammer and Classic FM, as well as independently. Patrzalek's performances have amassed around 80 million views online, the main contributors to this number being his solo acoustic guitar arrangements of Beethoven's fifth symphony, "Toxicity" by System of a Down and Paganini's "Caprice no. 24".
In 2018 Patrzalek became an official endorser of Ibanez acoustic guitars. At the end of the same year he won the 5th edition of major Italian TV talent show Tu Si Que Vales, broadcast by Canale 5, receiving a standing ovation from the judges for the first time ever in the show. The prize for winning was €100,000. 
Marcin Patrzalek's audition in Episode 1404 consisted of playing a medley of Beethoven's 5th Symphony and System of a Down's "Toxicity" on the guitar. Howie Mandel, Gabrielle Union, Julianne Hough, and Simon Cowell all voted "yes," sending Marcin to the Judge Cuts.
Marcin Patrzalek's Judge Cuts performance in Episode 1409 consisted of playing his own arrangement of Isaac Albéniz's "Asturias" on the guitar. Howie Mandel, Gabrielle Union, Julianne Hough, Simon Cowell, and guest judge Ellie Kemper all gave him standing ovations. His performance was strong enough to advance to the Quarterfinals along with Greg Morton on a unanimous verdict.
Marcin Patrzalek's Quarterfinals performance in Episode 1415 consisted of playing his own arrangement of Paganini's "Caprice No.24" on the guitar, doing a brief interlude of The Surfaris' "Wipeout". Howie Mandel, Gabrielle Union, Julianne Hough and Simon Cowell all gave him standing ovations. Marcin finished in 6th, 7th or 8th place in America's Vote. In the Dunkin' Save, he received fewer online votes than Jackie Fabulous. In the Judges' Choice, Howie Mandel, Gabrielle Union and Simon Cowell unanimously voted for him, advancing to the Semifinals in Episode 1416 instead of Lukas & Falco (Julianne Hough's vote was not needed).
Marcin Patrzalek's Semifinals performance in Episode 1419 consisted of playing his own arrangement of Ed Sheeran's "Shape of You" on the guitar. Howie Mandel, Gabrielle Union, Julianne Hough, Simon Cowell and guest judge Queen Latifah all gave him standing ovations. Marcin did not receive enough votes to advance to the Finals in Episode 1420, eliminating him from the competition along with Lukas & Falco instead of Detroit Youth Choir.