Add mp3 and link

Sunil Dasgupta, interviewers and interviewees are entered as authors on all episodes.

I Hate Politics is given as a keyword on all records

If Sunil Dasgupta isn't given as an interviewer or interviewee, he's not listed as an author in the citation.

UMBC interviewers and interviewees orcids are entered.

Performers aren't entered unless the only content is music. If the only content is music, the performers are entered in dc.contribitor, with a note in the description stating "Performers:" followed by a list of the performers.

The episode description is entered as an abstract.