Audio files for several important creeds and confessions can be found at the link below. Anyone who desires to understand the Christian faith, Protestant orthodoxy, the Reformation and historic Calvinism ought to know what is found in these foundational documents. "Confessional" Calvinists believe these documents represent the most accurate distillation of essential Biblical teaching available in a more-or-less systematic format.
The "Ecumenical Creeds" are common to all orthodox Christians . . .
The "Three Forms of Unity" are a traditional basis for fellowship among historic Calvinists. (Click here for a short Wikipedia article about the Three Forms)
Canons of Dordt
LINK TO AUDIO FILES:
These resources are provided by the United Reformed Church, a Calvinistic body of churches from the U.K. (land of the Puritans).