آلبوم نهم: پلکانی به سوی بهشت

The story behind the untitled fourth studio album by the English rock band Led Zeppelin, commonly known as Led Zeppelin IV. All Tracks by: Led Zeppelin Intro Track: Acid Ghost – The Artist’s High Sponsor1: Ponisha (online outsourcing website) Sponsor2: Episode app All prepared by: Bardia Barj Logo and Cover by: Nima Jamali