In 2014 she won a composer-prize from the Cédrus Art Foundation (Hungary).
In 2015 she won the first prize at the Regional Clarinet Competition (Érd, Hungary).
The next year she won the first prize at the 13th annual Clarinet Competition, sponsored by the music schools of Hungary; then the shared first prize at the International Clarinet Competition of music schools (Subotica, Serbia, 2016).
As her interest turned in the direction of Boogie Woogie, she took boogie piano lessons from Andreas Sobczyk (Vienna) and Balázs Dániel (Győr, HU).
Since then Cili Marsall has regularly been playing with her father David Laszlo Marsall (cl,sax) on international stages.
In 2018 she performed with the Marsall Quartet at the Bohém Ragtime-Jazz Festival (Kecskemét).
During the same year, she organized her own small Boogie Night in Hungary.
Cili was invited to be a guest musician at the 11th International Boogie Woogie Festival in Győr. In addition Axel Zwingenberger invited her to perform as a guest soloist at Vienna’s Metropol. (Axel Zwingenberger’s Boogie Woogie News, in April of 2019)
In 2019 she performd at the Hamburg Boogie Woogie Connection (organised by Axel Zwingenberger and Vince Weber).
On these performances, she enjoyed playing alongside distinguished Blues, Boogie and Stride Piano players, such as Neville Dickie (UK), Mark Lincoln Braun (USA), Christian Willisohn (DE), Michael Kaeshammer (CA) and Axel Zwingenberger (DE).
In 2022, she was invited to the Boogie Nights by Chris Conz.
In 2023, she organized her first Boogie Woogie & Swing Show at the Wiener Metropol (Vienna–AT) and she invited Axel Zwingenberger and Christoph Steinbach as starguasts.
In 2023, her schedule included performances at the Boogie Woogie Festival Laneuveville (CH), the renowned Boogie Woogie Festival Laroquebrou (FR), and the Festival Blues in Hell in Norway. Cili became a regular performer at jazz and Boogie Woogie festivals across Europe, and performed with famous musicians such as Axel Zwingenberger (DE), Wil Sargison (AU) Ladyva (CH), Luca Filastro (I) and Carl Sonny Leyland (USA).
In 2024, she had the honor of performing at Joja Wend’s New Year’s concert at the Elbphilharmonie Hamburg, marking a significant milestone in her musical career.
Since 2019 she has been studying jazz piano at the Anton Bruckner Private University in Linz, Austria (AT).