At Camac Harps in France, every harp is carved and assembled by hand. For musicians like the Grammy-nominated artist Brandee Younger, the pedal harp resonates with sonic potential. More from So ...

and their left hand to play bass clef – just like a piano. However, while pianos have white and black notes to signpost pitches, harps have red and black strings. Every red strings is a C, while every ...