for students which included choir. In the 1990s the group of professional symphony orchestra start to take form, notably The Twilite Orchestra led by Adie MS, was founded in June 1991, initially an ensemble with 20 musicians. The ensemble has developed since then into a full symphonic orchestra with 70 musicians, a 63-member Twilite Chorus, and a repertoire that ranges from Beethoven to The Beatles. The orchestra has played a role in promoting Indonesian music, especially in the preservation of national songs by Indonesian composers and traditional songs. Aided by the Victorian Philharmonic Orchestra with the Twilite Chorus, Addie MS re-recorded the Indonesian national anthem, Indonesia Raya, by WR Supratman in its original orchestral arrangement by Jos Cleber, as well as other Indonesian popular national songs in the album Simfoni Negeriku. The Indonesian composer who is considered most prominent and well known worldwide in the classical / contemporary music is Ananda Sukarlan (born 1968), with many orchestral works, chamber and instrumental. His most celebrated works are a series of virtuosic Rapsodia Nusantara for piano solo, with musical motifs based on Indonesian folktunes. He has written works for musicians such as from the Boston Symphony Orchestra, violinist Midori Goto etc., and his works are widely performed worldwide Today, major cities like Jakarta, Bandung, Yogyakarta, Surabaya, Medan and Batam are no strangers to orchestral music, with their own symphony groups. Jakarta, for instance, has its Nusantara Symphony Orchestra, the Twilite Orchestra and the Jakarta Chamber Orchestra. Indonesia also has many patriotic songs that are used, played, and memorized by the population, some of these national songs are used during the colonial era of the Dutch East Indies, Japanese Occupation, and today Indonesia. Many of these songs have been recorded using orchestral recordings on different albums such as 'Simfoni Negeriku' conducted by Addie MS. Pop Indonesian pop music today, known simply as "pop Indonesia" sometimes influenced by trends and recordings from West music,. Although influences ranging from American pop, British pop, and also Asian J-pop are obvious, the Indonesian pop phenomena is not completely derivative; it expresses the sentiments and styles of contemporary Indonesian life. Koes Bersaudara later formed as Koes Plus is considered one of the pioneers of Indonesian pop and rock and roll music in the 1960s and 1970s. The American and British music influences were obvious in the music of Koes Bersaudara, The Beatles were known to be the main