[3] Addie later attended SMA 3 in Setiabudi, South Jakarta where he assisted several musicians such as Keenan Nasution put on shows.

[4] After high school, Addie worked as a clerk at his father's factory but quit after a month due to being "unable to balance the books".

Although Addie felt that he was unworthy compared to Chrisye's earlier collaborators Eros Djarot and Jockie Soerjoprajogo, he accepted.

[3] In 1994 he orchestrated three works on Suzanne Ciani's Grammy-nominated album Dream Suite,[1] and the following year he attended a workshop on conducting in Los Angeles.

[2] That same year he composed the score to Biola Tak Berdawai, a film directed by his friend Sekar Ayu Asmara.

[2] The following year he prepared the soundtrack for Cinta Pertama, with vocals by the film's star Bunga Citra Lestari.

[10][11] In 2011 Addie worked together with music director Andi Rianto to release the book Simfoni Untuk Negeri (Symphony for the Country).

The performance, entitled Cantabile 2, made its debut at Aula Simfonia Concert Hall in Kemayoran, Jakarta, on 16 July and featured works by Pyotr Ilyich Tchaikovsky, Ludwig van Beethoven, and Mikhail Glinka.