Archived request from the wiki:

Arghul

• Other names: argul, arghoul, arghool, argol, or yarghul
• Wikipedia: Arghul
• Family: Woodwind -> Reeds -> Singular reed
• Description: a traditional Egyptian double-pipe, single-reed woodwind instrument
• Appears on:
  1. Solmamdenlo (played by Jérôme Ettinger)
  2. Bendimina / Ayoub (played by Mustafah 'Abd Al'-Azīz)
  3. Passion: Music for the Last Temptation of Christ (track 3, 5, 17, 20) (played by Mustafah 'Abd Al'-Azīz)
  4. Egypt (played by Mustafah 'Abd Al'-Azīz)
  5. From Luxor to Isna (played by Mustafah 'Abd Al'-Azīz – see the cover)