Who invented the treble clef?

There isn't a singular person who can be credited with the invention of the treble clef. Its historical origins can be traced back to medieval neumes, which were symbols used in manuscripts to indicate the relative pitch of notes. Over time, these symbols evolved into a system of notation known as staff notation. The three-line staff, with its clefs, came into common usage during the 11th and 12th centuries.

One of the early forms of the treble clef was the G clef, which was initially positioned on the second line of the staff. This indicated that the note G should be played on that line. Later, the G clef gradually moved up to its current position on the second line from the top of the staff, becoming the treble clef.

The development of the treble clef was a collective effort over many centuries, involving contributions from various musicians, theorists, and composers who contributed to the evolution of musical notation. Therefore, it is not attributed to a single inventor or creator.