Solresol, The 19th-Century Invented Language Based On Music

"Jean-François Sudre, a music teacher in 19th-century France, ... [had a] vision of a universal language [that] transcended linguistic boundaries. From written and spoken word to melody, gesture, number, and even color, there are few ways that one can't express Solresol, the language that Sudre spent more than three decades developing. But after his death in 1862, it was largely forgotten. Fittingly, the global connections made possible by the digital age have forged a 21st-century life for Solresol."

Article source here:Arts Journal