Marius Staible, born 31st of October 1997 in Halle (Saale) began to play the accordion when he was 4 years old, with an experienced and outstanding pedagogue: Stephan Bahr. 
Very soon he started earning prizes continuously by participating every year in several competitions for young accordionists in Germany such as „Jugend Musiziert” and the „German Accordion Prize”. 
His first piece „Unplugged³" written as an accordion solo in 2013 was awarded with the „Carl Müllerhartung Prize for Composition” and "WESPE 2016", which proves his universal musical comprehension. 
Thrilled by the impressive diversity of the accordion, he knew even before finishing school and gaining numerous prizes, that he would choose to continue his passion in a professional manner and began to study at the University of Music FRANZ LISZT in Weimar with Prof. Claudia Buder. In 2021, he won the first prize of the renowned international accordion competition in Vilnius, which is his most important personal 

Daniel Roth, born on January 19th, 1997, in Neunkirchen (Saar), started his musical education on the accordion at the age of 9. Since then, he has become a laureate of various national and international competitions. Participation in masterclasses and numerous concerts took the young artist to several countries across Europe. His musical and social engagements receive recognition and support by several scholarships including „Live Music Now” funded by the Yehudi Menuhin Foundation and the „Deutschlandstipendium”. 
With being inspired by the very specific sound and possibilities of his instrument, Daniel Roth’s path eventually led to Weimar, where he continues his studies at the University of Music FRANZ LISZT with Prof. Ivan Koval and Prof. Claudia Buder. Interested in modern improvisation and music theory, he traveled to Helsinki, Finland to take a year abroad at the Sibelius Academy with lessons from Prof. Veli Kujala. 

Since their founding in 2016, the Duo’s musical ambition has been rewarded through prizes in classical music competitions such as the “International Accordion Competition Klingenthal” and “Val Tidone Anguissola Scotti” and regularly holds concerts all around Germany and Europe. Interdisciplinary work is an essential aspect of their musical pathway. Combining the highly versatile instrument accordion with other art forms such as architecture, dance, literature, and audiovisual medias, they are able to set nearly any genre into music. The corona pandemic forced the duo to start thinking outside the box. They started producing their own music and sharing it on the different social media platforms.  with cooperating with other artist, they were able to expend their online reach impressively. With standing for modernity, versatility and openness, con:trust’s thinking without borders is not only an abstract principle of their work, but is also to be meant literally by participating in international projects as the Caravan Orchestra and other future projects.