Oldu O Zaman is covering and arranging Turkish traditional well-known folk songs with psychedelic and electronic elements to create a unique sound with their own touch. There was a psychedelic music trend in '70s used in traditional Anatolian folk songs. Oldu o Zaman rearranged famous tavern song "Sigarası Yaldızlı" and a well-known Turkish gipsy song "Mastika" by using this trend in electronic form.
