John Towner Williams (born February 8, 1932) is a prolific American composer, conductor, and pianist. In a career spanning six decades, he has composed many of the most recognizable film scores in the history of motion pictures, including those for the Star Wars Saga, Superman, the Indiana Jones films, E.T. the Extra-Terrestrial, Jurassic Park, Schindler's List,  and three Harry Potter films. He has composed the music for all but one of director Steven Spielberg's feature films. Other notable works by Williams include theme music for four Olympic Games, the NBC Nightly News, the rededication of the Statue of Liberty, the DreamWorks Pictures production logo, and the television series Lost in Space. Williams has also composed numerous classical concerti, and he served as the principal conductor of the Boston Pops Orchestra from 1980 to 1993. Williams has won five Academy Awards, four Golden Globe Awards, seven BAFTA Awards, and 21 Grammy Awards. With 45 Academy Award nominations, Williams is, together with composer Alfred Newman, the second most nominated person, after Walt Disney. Williams was inducted into the Hollywood Bowl Hall of Fame in 2000, and was a recipient of the Kennedy Center Honors in 2004.

The three symphonic marches included in this medley are the main themes of two famous movie, Indiana Johns and Star War Saga, plus the Hymn of the Olimpic Games. Trumpets and brass winds in general, are the main characters as often in Williams music. The melodies are very popular and this makes this piece of music very easy and pleasant to listen for the audience