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Why should I join?

OPGBAC – Associação Cultural de Plectro is a non-profit association. All activities are supported by annual membership dues. Without your help, it will be very difficult to continue to promote the plectrum music heritage.

What are the advantages?

As a member, in addition to helping to defend the heritage of plucked string music, you will also be able to attend all the concerts organized by the Association for free, and receive a free copy of new editions published by Pleiades Editions.

How then should I proceed?

Simple. Just fill out the form available at the end of this page. After submitting the form, send proof of payment of the annual fee of €30 to the email

I want to help OPGBAC, but I don't want to become a member.

No problem! You can support in the most varied ways: by attending concerts, purchasing an OPGB CD, or make a one-off donation.