Trilogy and "The Apu Trilogy" of films by Satyajit Ray. Others are connected only by theme: for example, each film of Krzysztof Kieślowski's "Three Colors" trilogy explores one of the political ideals of the French Republic (liberty, equality, fraternity). Trilogies can also be connected in less obvious ways, such as "The Nova Trilogy" of novels by William S. Burroughs, each written using cut-up technique. The term is less often applied to music, such as the "Berlin Trilogy" of David Bowie which is linked together by musical sound and lyrical themes, all having been recorded at least partly in Berlin, Germany. The
1970s in music 1970s in music This article includes an overview of the major events and trends in popular music in the 1970s. In North America, Europe, and Oceania, the decade saw the rise of disco, which became one of the biggest genres of the decade, especially in the mid-to-late 1970s. In Europe, a variant known as Euro disco rose in popularity towards the end of the 1970s. Aside from disco, funk, smooth jazz, jazz fusion, and soul remained popular throughout the decade. It is this influx of popular music that soon transformed into rock and roll during the Early 1970s. Rock music