One of Somogyi's former students, Luis Fernández de Córdoba. Traditional, but not so much as seen here:

Multi-scale 7 string classical:

http://www.guitarrasfdc.com/2016/10/archive-guitar-no-37-cla...

10-string classical:

http://www.guitarrasfdc.com/2017/01/archive-guitar-no-42-10-...