i already met the man himself
he's well known a luthier of classical guitars.
i have personally tried alot of his works of guitars. and its truly amazing. much more on a concert guitars. also tried his 10 string classical guitar. and wow.
the once's ive tried was those once the cost 50k-70k guitars for those student classical guitars. but yea they are all good and nice.
some of my friends have derecho guitars.
and his rival's those adolfo guitars.