Amy Bauer is Associate Professor of Music at the University of California, Irvine. She received her PhD in music theory from Yale University, and has published articles in Music Analysis, The Journal of Music Theory, Contemporary Music Review, Indiana Theory Review and Ars Lyrica, and book chapters on the music of Ligeti, Messiaen, Chávez, Lang, the television musical, modernist opera and issues in the philosophy and reception of modernist music. Her monograph Ligeti's Laments: Nostalgia, Exoticism and the Absolute (2011) provides a critical analysis of the composer's works, considering both the compositions themselves and the larger cultural implications of their reception.

Márton Kerékfy is Research Fellow at the Budapest Bartók Archives, Editor of the Béla Bartók Complete Critical Edition and Editor-in-Chief at Editio Musica Budapest. He studied musicology and composition at the Franz Liszt Academy of Music in Budapest and received his PhD in musicology from the same institution. His doctoral thesis (2014) explores the influence of East European folk music in György Ligeti's music. He has published articles on the music of Ligeti and Bartók in, among others, Tempo, Studia Musicologica and Mitteilungen der Paul Sacher Stiftung. He translated into Hungarian and edited Ligeti's selected writings (2010).