Is it appropriate for teenagers? Absolutely! It's certainly not INappropriate, nothing
risque going on there, no drunkards stumbling about, no brawling, and no smoking in some of the places. Most of those which do allow smoking have smoking sections.
As for WHICH one you should see, I can't say. I've only been to shows at
Café de Chinitas and last Friday night to
Corral de la Morería . I liked them both. Chinitas has a smoking section (which is closer to the stage than most of the non-smoking section) but Morería is totally smoke-free. Chinitas is near Plaza de España while Morería is more-or-less near the Almudena Cathedral, across the Viaducto. Chinitas is more traditional while Morería is more rustic. Both are priced about 30 Euros per person which includes your first drink.
UPDATE: I don't think I saw (m)any teenagers at the Suma Flamenca festival shows but these were mainly non-touristy performances, catering to the in-the-know mature Spaniard. The flamenco tablaos, on the other hand, cater to the tourist crowds. There, I've rarely seen teenagers. The youngest are probably in their early 20s. While I can understand that Spanish teenagers don't like flamenco I think foreign teenagers would enjoy it more. Plus, if you don't think your teenagers will enjoy it it's risky to spend 30 Euros per person (3 teenagers X 30 € = 90€). Girl teenagers might likely enjoy it more than boy teenagers - although the boys would certainly find something enjoyable about it.
Saludos, MadridMan
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