1) Simplicio 1929 triple sound port guitars https://youtu.be/DbnKEwyAWrI?t=14s
2) Francisco Simplicio, his original ideas and their role in avant-garde flamenco guitars
https://youtu.be/cUk4aXFyih8?t=14s
3) Simplicio male/female guitars vs Barbero´s
Doble boca vs Triple boca flamenco sound
https://youtu.be/6adcHhY_KGA?t=14s
4) "Golpe" and percussive nuances on Simplicio 1929 triple sound port vs double sp
https://youtu.be/ZpqdKU_nn2k?t=14s
5) Sound portal(s) THE matchless feature
https://youtu.be/rjG1rH9d2iA?t=14s
6) New Simplicio 1929 negra zero fret
https://youtu.be/gmpEzJHrVK4?t=14s
7) Simplicio shingle-wood top negra 1929
https://youtu.be/1i77pC_QrbQ?t=14s
8) Three-dimensional sound
https://youtu.be/yp15_iiIK5U?t=14s
9) Affordable Simplicio 1932 new flamenco model
https://youtu.be/Qw4BehK6Vvc?t=14s
10) Negra 1932 affordable Simplicio Brazilian Rosewood
https://youtu.be/kaPqrbexk2c?t=14s
11) Big top balance Negra Simplicio 1929 Brazilian Rosewood
https://youtu.be/W8n8df90QSg?t=14s
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"Modern vs Old-fashioned guitars" http://www.rdiaz.org/rd-art%207.html
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Ex.1/ 01:06 (Fandangos 1 by Ruben Diaz)
*Ex.2/ 03:53 (Fandangos 2 by Ruben Diaz)
Ex.3/ 08:54 (Fandangos 3 by Ruben Diaz)
Ex.4/ 11:10 Bordones (Fandangos 4 by Ruben Diaz / Ab^)
Ex.5/ 00:14 (Rio de la Miel by paco de Lucia)
^Ex.6/ 05:34 Topic
Ex.7/ 03:36 Both tops
Ex.8/ 01:01 Acknowledgement
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Negra 1932 affordable Simplicio Brazilian Rosewood
https://youtu.be/kaPqrbexk2c?t=14s
.......
Big top balance Negra Simplicio 1929 Brazilian Rosewood
https://youtu.be/W8n8df90QSg?t=14s