Tilt your phone

The Swan glides across the full width · turn your phone sideways so the melody has room to flow.

The Swan

Camille Saint-Saëns · Le Cygne
Musicogram · drawn from the real cello recording
Length 2:36 54 swans on the real melody 0:00
Press play and follow the glowing swan with your finger. Its height is the cello’s real pitch — the swan glides up as the melody rises, settles low as it falls, over the rippling water.
Emotional Abuse Recoverycello: John Michel (CC BY-SA) · @narcabusecoach