From China/Germany
- Yun Zeng, principal horn of the Berlin Philharmonic Orchestra
From Sweden
- Markus Maskuniitty, principal horn of the Royal Stockholm Philharmonic Orchestra and horn professor at the University of Hanover (Germany)
From Italy
- Giovanni Hoffer, jazz horn player
From Finland
- José Luis Cortell, principal horn of the Finnish Radio Symphony Orchestra and the Finnish National Opera
From Switzerland
- Joan Bernat, principal horn of the Zurich "Opera House" Philharmonic Orchestra and horn professor at the Tiroler Landesconservatorium Innsbruck
From France
- John Lepoultier, hunting horn player
From Asturias
- José Luis Morató, principal horn of the Principality of Asturias Symphony Orchestra
- José Rodrigo Roglà, horn professor at the Oviedo Higher Conservatory
From Catalonia
- Carles Chordà, principal horn of the Barcelona Liceu Orchestra and horn professor at the Liceu Higher Conservatory
- David Bonet, horn player of the Barcelona Symphony Orchestra (OBC) and repertoire professor at ESMUC
- Artur Jorge Fontana, horn player of the OBC
- German Izquierdo, principal horn of the Barcelona Municipal Band
- Judith Rovira Gols, horn professor at the Oriol Martorell Institute, Barcelona
- Antoni Alburquerque, composer and horn professor
- Raul Garrido, horn professor at the Tarragona Professional Conservatory and former principal horn of the Valencia Symphony Orchestra (OSV)
- Antoni Romera, manufacturer Romera Brass brand, mouthpieces, and other brass accessories
From Castile and León
- Noé José Gento Municio, professor at the Palencia Municipal Music Band
From the Balearic Islands
- Nigel Carter, principal horn of the Balearic Islands Symphony Orchestra and orchestral repertoire professor at the Balearic Islands Higher Conservatory of Music
- Alicia Girona, horn professor at the Menorca Professional Conservatory and PhD candidate in Art History (UCM)
- Míriam Merino Díez, horn player of the Balearic Islands Symphony Orchestra and horn professor at the Balearic Islands Higher Conservatory of Music
From Valencia
- Juanjo Llimerà, horn professor at the Valencia Higher Conservatory of Music, composer, doctor, and performer
- Santi Pla, principal horn of the Valencia Orchestra
- Bernardo Cifres, principal horn of Les Arts Orchestra
- Gemma Guillem, PhD and horn professor at the Dénia Professional Conservatory
- Fermín Galduf, horn player, educator, coach, AEAT president
- Guillermo Dalia, psychologist and writer
- Joan Antoni Alberola, doctor, horn player, writer
- Jose Miguel Sanz, doctor, horn player, music history professor at the CSMV
- Carmelo Romaguera, professor at the Valencia Professional Conservatory
- José Vte Marticorena, professor at the Torrent Professional Conservatory
- Miguel Martínez, professor at the Requena Professional Conservatory
- Migue Guillem, horn professor at the Ontinyent Professional Conservatory
- Vicent Navarro, horn department chair at the Valencia Higher Conservatory of Music
- Juan Miravet Lecha, professor at the Valencia Professional Music Conservatory
- Jesús Sánchez, co-principal horn of the Valencia Community Orchestra
- Horn section of the Valencia Community Orchestra
- Horn section of the Valencia Orchestra: (Santiago Pla Sánchez, Juan Pavia Font, Alfredo Cabo Carbonell, Cristian Palau Tena)
From Castelló
- Elies Moncholí Cerveró, horn department chair at the Castelló Higher Conservatory of Music
- Batiste Bernat Alcaide, horn department chair at the Castelló Higher Conservatory of Music
- Carles Pérez Esteve, horn player at the Württembergische Philharmonie Reutlingen (Germany)
- Amadeo Catalá, professor at the Vall d’Uixó Conservatory
- Eduardo Gabriel, horn professor at the Castelló Higher Conservatory of Music
- María Antonia Riezu, natural horn professor at the Castelló Higher Conservatory of Music
- José A. Rebollar Sorribes, horn professor at the Castelló Professional Conservatory of Music
- Sergio Tortajada, horn professor in Vinaròs
- David Rubiera, horn professor at the Benicarló Professional Conservatory
- Horn section of the Castelló Symphony Orchestra
From Alicante
- Inma Torres, horn department chair at the Alicante Higher Conservatory
- Vicent Giner, horn department chair at the CSMA
- Luis Tur, professor at the Alicante Professional Conservatory
- Vicent Berbegal Coloma, principal horn of the Universal Symphony Orchestra, horn professor at the Progreso Musical Academy (Madrid), and freelance
From Madrid
- Salvador Navarro, principal horn of the Spanish National Orchestra
- Javier Bonet, horn player of the Spanish National Orchestra and natural horn player
- Juan Boronat, professor at the Royal Higher Conservatory of Music in Madrid
- Santiago Calonge, horn department chair at the Royal Higher Conservatory of Music in Madrid
From the Canary Islands
- Inés González, principal horn of the Tenerife Symphony Orchestra and professor at the Tenerife Higher Conservatory
- Ricardo Oliver, performer and natural horn professor, Freiburg
From Zaragoza
- Pau Moltó, professor at the Zaragoza Higher Conservatory and jazz horn player
From Granada/Basque Country
- Óscar Sala, principal horn of the Granada Orchestra and professor at MUSIKENE
From Galicia
- Enrique Lorenzo, professor at the Vigo Higher Conservatory
- Aida Lozano, professor at the A Coruña Higher Conservatory
From Andalusia
- David Cuenca, professor at the Jaén Professional Conservatory
- Sherezade Borja, horn department chair at the Jaén Higher Conservatory
- Alejandro Lagares, horn department chair at the Jaén Higher Conservatory
Official pianist of the congress
Antonio Morant, performer and professor at the CSMV.
This is just an indicative list of some of the invited artists.
Horn professors who come with a group of at least 4 students and participate in the ENSEMBLES FESTIVAL will have free entry to Citcastelló2024. Given that the congress is a non-profit event, the rest of the faculty and professional horn players who wish to attend are kindly asked to register as LISTENERS to help cover the event's expenses.