Adrian Yunan is a musician, songwriter and an important figure in the journey of Efek Rumah Kaca.

Adrian Yunan was known for many years as the bassist of Efek Rumah Kaca. Together with Cholil Mahmud and Akbar Bagus Sudibyo, Adrian wrote many songs, including popular ones such as "December", "Sebelah Mata" and "Cinta Melulu".

Adrian's career in Efek Rumah Kaca ended after he took part in the Sinestesia album before the band went on hiatus in record production.

In 2017, Adrian Yunan re-emerged with his solo career. Since then, he has been known as a soloist with his debut album, Sintas. He released songs that he had been writing for seven years, including stories of his personal life and insecurities.

Adrian Yunan's writing style tends to be simple, with themes of daily life and anxiety experienced by everyday people. The melodies are simple, non-progressive, and can be enjoyed more casually. However, Adrian's choice of words is very rich in extensive meanings.

After Sintas, Adrian released two songs, "Emergency Call" and "40", both of which are recent singles that signify that the musician is actively making music.