"Sí, Se Puede Cambiar" (English translation: Yes, we can change) is a song and music video created in support of Sen. Barack Obama's 2008 presidential campaign. However, the video has no official ties to the Obama campaign. The song was written by Andres Useche. The video, which features Useche performing, was directed by Eric Byler, Warren Fu and Andres Useche, and was released on February 22, 2008 on YouTube under the username "United For Obama".

The video attracted national and international attention and through 2008 Andres Useche accepted invitations to do radio, newspaper and TV interviews in which he promoted Barack Obama's campaign.

The original Spanish language music video, with English subtitles, was the creation of a volunteer network of Obama supporters known as United For Obama. The creation and release of the video was originally intended to influence Spanish-speaking voters in the Texas democratic primary. The video, and song, criticizes the Bush administration while presenting Obama as the candidate for change in the 2008 election. The video features footage of Useche singing and performing on acoustic guitar, intercut with images critical of Bush—images intended to exemplify some of his failed policies, such as soldiers in Iraq and victims of Hurricane Katrina, and images in support of Obama, such as volunteers at work for his campaign, and supporters at his political rallies. Personalities who appear in the video include California State Senator Gil Cedillo, Wendy Carrillo, and actors Kelly Hu, Ken Leung and Kal Penn.

Sí, se puede (Spanish for "Yes, it is possible" or, roughly, "Yes, it can be done") is the motto of the United Farm Workers. In 1972, during Cesar Chavez's 24 day fast in Phoenix, Arizona, he and UFW's co-founder, Dolores Huerta, came up with the slogan.

The phrase has been widely adopted by other labor unions and civil rights organizations and drew widespread political and media attention as a rallying cry during the 2006 U.S. immigration reform protests.

Sí se puede is usually translated in English as "yes, we can", or "yes you can". The more literal translation that the United Farm Workers uses is "Yes, it can be done!"

President Barack Obama adopted the English version "Yes, we can!" first during the 2004 Illinois Democratic primary race for U.S. Senate, and it became a slogan of his 2008 presidential campaign. "Yes, we can!" was the theme of Sen. Obama's speech following his second-place finish in the 2008 New Hampshire primary. Following the speech Obama was endorsed by the Culinary Workers Union in the Nevada Democratic Caucus, though it is important to note that news of the endorsement had already been circulating prior to this speech. The phrase was also used in the song "Yes We Can", which was performed by numerous celebrities in support of Obama. Another video created in support of Obama's 2008 presidential bid, entitled Sí Se Puede Cambiar written and performed by Andres Useche and directed by Eric Byler was released on YouTube on February 22, 2008.

Alejandro Federico Lerner (born June 8, 1957 in Buenos Aires) is an Argentine musician and singer-songwriter. He has written and sang countless songs including several hits, and his fame and recognition spread all over South America.

Through his career, Lerner played in different bands, formed his own group, and worked with international artists such as Luis Miguel, Paul Anka, and Celine Dion.

In 1974, the young musician's talent was discovered by Raúl Porchetto, who invited him to join a short-term project called Reino de Munt. In 1977, Lerner participated in Gustavo Santaolalla's band Soluna. In addition, Alejandro Lerner was consolitading his skills as a performer while working with well-known Argentine singers Leon Gieco and Sandra Mihanovich.

In 1981, Lerner formed a band called la Magia, playing along with bass player Hernán Magiano, guitarist Damián Figueroa, saxophonist Oscar Kreimer, and drummer Luis Querón, releasing Alejandro Lerner y La Magia in 1982. A year later, the band broke up and he decided to start his solo career, releasing Todo a Pulmón that same year and Lerner Tres in 1984.

Rafael Orozco Flores (24 January 1946 – 25 April 1996) was a Spanish classical pianist. Orozco is acclaimed as one of the great Spanish concert pianists.

Rafael Orozco came from a musical family in Córdoba and studied with José Cubiles,Alexis Weissenberg and Maria Curcio, the last and favourite pupil of Artur Schnabel. His professional career began after he won first prize in the 1966 Leeds International Piano Competition in the UK.

His large repertoire included works by Franz Liszt, Franz Schubert, Manuel de Falla, Sergei Rachmaninoff and Isaac Albéniz. He gave recitals on five continents and participated as soloist with the world's great orchestras, including Cleveland, Chicago, New York, Philadelphia, Los Angeles, Berlin, Vienna, Paris, and London. Orozco also participated in music festivals at Osaka, Praga, Berlin, Santander, Edimburg, Spoleto, and Aldeburgh.

Orozco's playing was used in Ken Russell's 1970 film The Music Lovers, based on the life of Pyotr Ilyich Tchaikovsky.

In 1986, Córdoba awarded Orozco the Gold Medal of the city and the title of Hijo Predilecto (Favourite Son).