Looney Tunes is a Warner Brothers animated cartoon series which ran in many movie theatres from 1930 to 1969. It preceded the Merrie Melodies series, and is both Warner Bros. Animation's first animated theatrical series and the second longest continuous animated series in any medium.[citation needed] The regular Warner Bros. animation cast also became known as the "Looney Tunes" (often misspelled, intentionally or not, as "Looney Toons").The name Looney Tunes is a variation on Silly Symphonies, the name of Walt Disney's concurrent series of music-based cartoon shorts.HistoryIn the beginning years, both Looney Tunes and Merrie Melodies drew their storylines from Warner's vast music library. However, eventually the two series distinguished themselves by Looney Tunes becoming the umbrella for the studio's various recurring characters, while Merrie Melodies continued with the use of one-shot characters. Also, from 1934 to 1943 Merrie Melodies were produced in color and Looney Tunes in black and white; after 1943, however, both series were produced in color; the only real difference between the two series was in the variation between the opening theme music and titles. Both series by this time also made use of the various Warner Bros. cartoon characters. By 1943, the theme music for Looney Tunes was "The Merry-Go-Round Broke Down" by Cliff Friend and Dave Franklin; the theme music for Merrie Melodies was an adaptation of "Merrily We Roll Along" by Charles Tobias, Murray Mencher and Eddie Cantor. The reason for Looney Tunes' changeover to color was Warner Bros' decision to re-release only the color Merrie Melodies for their Blue Ribbon Classics series of cartoons, noted by the special "Blue Ribbon" title card.