I have recently started to collect videos with the mandolin orchestras from Madeira. Madeira has a long tradition of mandolin orchestras.
In 2016 the first Madeira Mandolin Festival took place. I have found several great videos made during this festival with the Edu Miranda Trio, Luís Peixoto and Norberto Cruz.
Edu Miranda Trio is playing some great Choros, Luís Peixoto plays two solo pieces on the cavaquinho, and Norberto Cruz plays a Sonata by Carlos Seixas.
Playlist Madeira Mandolin Festival 2016
The second Madeira Mandolin Festival took place in 2017. It included concerts and workshops with Hamilton da Holanda and Fernando Barroso and concerts with Mandolin Orchestras from Madeira.