"El Último Adiós" (English: "The Last Goodbye") is a song written by Peruvian singer Gian Marco and Cuban American musician and producer Emílio Estefan to commemorate the September 11 attacks and support the families of the victims. Proceeds of the recording went to the American Red Cross and the United Way. This version of the song was released both as a stand-alone single, and as part of a four-song special EP by the same name. Gian Marco also recorded a solo version of the song, which was considered one of his standout pieces during his international debut. In the four minutes of the song, a variety of musical genres can be heard, and over 120 different artists were involved in the project, including Ricky Martin, Christina Aguilera, Jennifer Lopez, Shakira, Paulina Rubio, Thalía, Chayanne, Alejandro Sanz, José José, Ivete Sangalo, Luis Fonsi, Ana Bárbara, Juan Luis Guerra and Gloria Estefan. Personnel Composers/producers Gian Marco Emilio Estefan Soloists (in order of appearance) Ricky Martin Alejandro Sanz Thalía Juan Luis Guerra & Gloria Estefan Celia Cruz Juan Luis Guerra, Gloria Estefan & Olga Tañón Ricardo Montaner Ana Gabriel Jorge Hernández/Los Tigres del Norte & Alicia Villarreal / Grupo Límite Alejandro Fernández Carlos Vives Jaci Velasquez José Luis Rodríguez "El Puma" Marco Antonio Solís José José & Lucía Méndez Jennifer Lopez Emmanuel Chayanne Elvis Crespo, Gisselle Ortíz Cáceres & Gilberto Santa Rosa Paulina Rubio Beto Cuevas / La Ley Ana Bárbara Carlos Ponce Jon Secada Shakira Gian Marco Luis Fonsi Yuri & Miguel Bosé Wilkins, Gisselle Ortíz Cáceres Melina León & Ramiro / Limi-T 21 Todos Unidos, Christina Aguilera Ad Libs José Feliciano & Alejandro Sanz José Feliciano Chorus Conducted by Timothy Sharp A.B. Quintanilla Alberto "Beto" Zapata Álvaro Torres Charlie Zaa Ednita Nazario Elvis Crespo Emilio Regueira Franco De Vita Ivete Sangalo Kumbia Kings Luis Conte Luis Enrique MDO Marcos Llunas Mauricio Claveria Nestor Torres Nicolas Tovar OV7 Patricia Manterola Pilar Montenegro Rey Ruiz Ricky Muñoz Shalim Soraya Tito Puente Tommy Torres Instrumentalists Arranged and Conducted by José Antonio Molina Concertmaster – Alfredo Oliva Violin – Bogumila Zgraja, Bruce Wethey, Carole Cole, Carole Simmons, Dale Sandvold, Denise Stillwell, Gennady Aronin, Gustavo Correa*, Huifang Chen, John DiPuccio, Mariana Carreras, Mei Mei Luo, Rafael Elvira, Rochelle Skolnick, Sania Derevianko, Scott Flavin, Tony Huang Viola – David Chappell, Debra Spring, Karen Hebermehl, Richard Fleischman, Scott O'Donell, Tim Barnes, Xi Yang Cello – Chris Glansdorp, Claudio