Zora Slokar was born in Bern and is principal horn in the Orchestra della Svizzera Italiana in Lugano. 

During her studies, Zora was sponsored by the Orpheum Foundation Zurich as well as being a Migros/ Kulturprozent scholarship holder. Zora won 1st prize at the Anemos Competition in Rome in 2002 and at the "Ceccarossi" Competition in Orsogna, Italy in 2003. She is a laureate of "Paxman" Competition "Young Horn Players" in London, the ”Schenk" Foundation Zofingen and the "Kiwanis" Club Zurich 2007. 

Mauricio Soto is currently Principal Horn of the Orquesta Filarmónica de Querétaro, director of the Orchestra Program at the "John F. Kennedy" School and Professor at the Universidad Panamericana. He has also been a member of the Orquesta Filarmónica de Montevideo (Uruguay), the Orquesta del Teatro Argentino (Argentina), the Orquesta Sinfónica Nacional (Mexico) and professor of Horn at the Escuela Superior de Música (CNA), the Escuela Nacional de Música (UNAM), and the Universidad de Guanajuato in Mexico.