Frànçois & the Atlas Mountains - Piano Ombre iOS App Tutorial br Piano Ombre is the new album by Frànçois & The Atlas Mountains. The Piano Ombre App gives fans a new way to experience the band's music, including access to exclusive tracks using the unique 'Sun Tracker' function. The app invites you to track the position of the Sun according to the time of the day or night you're in. As the Sun moves each hour, a different track will be made available.