I believe that Picard would benefit from being able to also pull attributes assigned to certain credits, for example, co-producer, or assistant engineer, as Picard currently lumps everything into one tag without any way to differentiate between them.

It should work similar to how the performers tag already works, here's an example

Name 1 - Executive Producer

Name 2

Name 3 - Co-Producer

Name 1

Name 2 - Assisstant

Name 3 - Assisstant

Name 4 - Assisstant

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Additionally, there are also a few tags are that not supported by Picard, such as the mastering engineer, it would be fantastic if this could be added