This style of music was called the "big band swing era." It had some of the characteristics of earlier jazz, but with an uplifting beat that used larger groups and was easy to dance to and move to. “Brass instruments, such as trumpets and trombones were emphasized, making the sound of swing brighter and happier than the softer, fresher sound of jazz” (lecture). It was music for all genders, classes, races and ethnicities. In a time when fields like photojournalism were emerging, influencing and shaping social opinions on class, gender and race, Swing brought all these classes together. This was a music that facilitated escape from the effects of the times with fun encounters and dances that developed into dance moves such as the Linda Hop, the Savoy Swing and what is still often seen on the dance floor on many occasions today, the Jitterbug . Initially this style of music and dance was considered “a degenerate form of jazz” (It Begins with a Hop to the Music: The History of Swing Dancing). It soon became so popular that many famous musicians became famous for their contributions to Swing, such as Louis Armstrong, Duke Ellington, Benny Goodman, Herbert White and Frankie Manning, to name a few. Dance schools and teachers taught dance. By the early 1940s, "as a result, Arthur Murray Studios was teaching several undocumented Swing styles in each city" (The History of Swing